Parts List

The old parts list

Table Columns

'(1) 28' is from December 1940. So far, have only found a list with C and R values.
'(2) 28' is from December 1942. This parts list includes SW8-1 and SW8-15.
'(3) 28' is from Jan 1943 to the end of the SX-28 (not A) run.
'(4) 28A' is from Apr 1944.
'(5) 28A' is the modified parts list I came up with for my now abandoned 28A build. Has modern parts for parts no longer available. If you can't find something, this might be useful.

There is a parts list for the FCC radio that predates '(1) 28' but the only differences observed so far is missing R68-R70 and included C86.

Manufacturer's codes have been ignored.
Contractor's part numbers have been ignored.
For transformers, Hallicrafters part numbers are in the appropriate schematic column

K = 1,000    W = watt    M = 1,000,000    mmf = mmfd = pf = picofarad    NA = not used, not applicable    TL = twisted leads    V = volt rating for caps    X = not specified

Part (1) 28 (2) 28 (3) 28 (4) 28A (5) 28A Hallicrafters P/N Comment
R1 100K, ⅓W 100K, 20% ½W 100K, 10% ½W 100K, 10% ½W 23BX104F
R2 10K 10K, 20% 10K, 20% 25A066
25C066		 RF Gain pot
R3 300, ⅓W 300, 10% ½W 330, 10% ½W 23BX301E
R4 25K, ½W 25K, 10% ½W 23BW253E
R5 3K, ⅓W 1K, 20% ½W 1K, 10% ½W 23BX102F
R6 7K, 2W 6.8K, 10% 2W 23BV682E
R7 100K, ⅓W 100K, 20% ½W 100K, 10% ½W 23BX104F
R8 300, ⅓W 300, 10% ½W 330, 10% ½W 23BX301E
R9 1K, ⅓W 1K, 20% ½W 23BX102F
R10 3K, ⅓W 3K, 20% ½W 2.7K, 10% ½W 23BX302F
R11 100K, ⅓W 100K, 20% ½W 100K, 10% ½W 23BX104F
R12 400, ⅓W 400, 10% ½W 23BX401E
R13 1K, ⅓W 1K, 20% ½W 23BX102F
R14 3K, ⅓W 300, 10% ½W 2.7K, 10% ½W 23BX301E
R15 100K, ⅓W 100K, 20% ½W 23BX104F
R16 250, ⅓W 270, 10% ½W 23BX271E
R17 1K, ⅓W 1K, 20% ½W 23BX102F
R18 3K, ⅓W 3K, 20% ½W 23BX302F
R19 100K, ⅓W 100K, 20% ½W 100K, 10% ½W 23BX104F
R20 500K, ⅓W 500K, 20% ½W 470K, 10% ½W 23BX504F
R21 400, ⅓W 250, 10% ½W 270, 10% ½W 23BX251E
R22 1K, ⅓W 1K, 20% ½W 23BX102F
R23 3K, ⅓W 3K, 20% ½W 23BX302F
R24 100K, ⅓W 100K, 20% ½W 100K, 10% ½W 23BX104F
R25 250K, ⅓W 500K, 20% ½W
R26 250K, ⅓W 1.8K, 10% ½W 1.8K, 10% ½W 23BX182E
R27 500K, ⅓W 500K, 20% ½W 23BX504F
R28 100, ⅓W 100, 20% ½W 23BX101F
R29 500 500, 20% pot 25A022 S meter zero set control on back
R30 30K, 2W 27K, 10% 2W 23BV273E
R31 11K, 1½W 11K, 10% 1½W 24A046 Part of sidwall mounted resistor
R32 4K, 7W 4K, 10% 7W 24A046 Part of sidwall mounted resistor
R33 500K, pot 500K, 20%, pot Audio Gain control
R34 1K, ⅓W 1K, 20% ½W
R35 500K, pot 500K, 20%, pot Tone control
R36 100K, ⅓W 100K, 20% ½W 100K, 10% ½W
R37 100K, ⅓W 100K, 20% ½W 100K, 10% ½W
R38 50K, ⅓W 50K, 20% ½W
R39 200K, ⅓W 200K, 20% ½W
R40 250K, ⅓W 250K, 20% ½W
R41 250K, ⅓W 250K, 20% ½W
R42 200, 2W 220, 10%, 2W
wire wound
R43 20K, 1W 20K, 10%, 2W
wire wound, enamel
R44 5K, 10W 5K, 20%, 10W
wire wound, enamel
R45 20K, 1W 20K, 10%, 2W
wire wound, enamel
R46 50K, ⅓W 50K, 20% ½W
R47 5K, 1W 8, 20% ½W
R48 100K, ⅓W 100K, 20% ½W 100K, 10% ½W
R49 1M, ⅓W 1M, 20% ½W
R50 5K, ⅓W 500, 20% ½W 560, 10% ½W
R51 20K, ½W 20K, 20% 1W 20K, 5% ½W 20K, 1W (2) 23A003
R52 50K, ⅓W 50K, 20% ½W
R53 50K, pot 50K, 20% ANL control
R54 54, ⅓W 35, 20% ½W 33, 10% ½W (4) RC21AE330K Cathode bias for V9
R55 500K, ⅓W 500K, 20% ½W 470K, 10% ½W
R56 1K, ⅓W 1K, 20% ½W
R57 100K, ⅓W 100K, 20% ½W 100K, 10% ½W
R58 200, ⅓W 200, 10% ½W
R59 250K, ⅓W 100K, 20% ½W
R60 250K, ⅓W 250K, 20% ½W
R61 500K, ⅓W 500K, 20% ½W 470K, 10% ½W
R62 500K, ⅓W 500K, 20% ½W 470K, 10% ½W Inside T1
R63 3K, ⅓W 3K, 20% ½W
R64 500K, ⅓W 500K, 20% ½W
R65 50K, ⅓W 50K, 20% ½W
R66 50K, ⅓W 50K, 20% ½W
R67 500, ⅓W 500, 20% ½W
R68 600, ½W 1200, 10% ½W
R69 100K, ⅓W 100K, 20% ½W 100K, 10% ½W
R70 1M, ⅓W 1M, 20% ½W
R71 NA 5K, 10% 1W 4.7K, 10% 1W Carbon, Osc plate decouple
R72 NA 500, 20% ½W 500, 20% ½W Carbon, Noise amp plate isolation
R73 NA NA NA
R74 NA NA 10, 10% ½W Parasitic supressor V1
C1 X 250 pf NA NA Band 1 osc tuning
C1.1 X 250 pf NA NA Band 1 mixer tuning
C1.2 X 250 pf NA NA Band 1 antenna tuning
C2 X 187.5 pf NA NA Bands 2, 3, 4, 5, and 6 tuning
C2.1 X 187.5 pf NA NA Bands 2, 3, 4, 5, and 6 mixer tuning
C2.2 X 187.5 pf NA NA Bands 2, 3, 4, 5, and 6 2nd RF tuning
C2.3 X 187.5 pf NA NA Bands 2, 3, 4, 5, and 6 1st RF tuning
C3 X 16 pf NA NA "3 plate bandspread condenser"
"oscillator tuning (80 & 20 meter bands)"
Bands 3 & 5 osc tuning
C3.1 X 16 pf NA NA "3 plate bandspread condenser"
"oscillator tuning (80 & 20 meter bands)"
Bands 3 & 5 osc tuning
C3.2 X 16 pf NA NA "3 plate bandspread condenser"
"oscillator tuning (80 & 20 meter bands)"
Bands 3 & 5 osc tuning
C3.3 X 16 pf NA NA "3 plate bandspread condenser"
"oscillator tuning (80 & 20 meter bands)"
Bands 3 & 5 osc tuning
C4 X 23 mmfd NA NA "4 plate bandspread condenser"
"oscillator tuning (80 & 40 meter bands)"
Bands 3 & 4 osc tuning
C4.1 X 23 mmfd NA NA "4 plate bandspread condenser"
"oscillator tuning (80 & 40 meter bands)"
Bands 3 & 4 osc tuning
C4.2 X 23 mmfd NA NA "4 plate bandspread condenser"
"oscillator tuning (80 & 40 meter bands)"
Bands 3 & 4 osc tuning
C4.3 X 23 mmfd NA NA "4 plate bandspread condenser"
"oscillator tuning (80 & 40 meter bands)"
Bands 3 & 4 osc tuning
C5 X 28 pf NA NA "5 plate bandspread condenser"
"oscillator tuning (80 & 10 meter bands)"
Bands 3 & 6 osc tuning
C5.1 X 28 pf NA NA "5 plate bandspread condenser"
"oscillator tuning (80 & 10 meter bands)"
Bands 3 & 6 osc tuning
C5.2 X 28 pf NA NA "5 plate bandspread condenser"
"oscillator tuning (80 & 10 meter bands)"
Bands 3 & 6 osc tuning
C5.3 X 28 pf NA NA "5 plate bandspread condenser"
"oscillator tuning (80 & 10 meter bands)"
Bands 3 & 6 osc tuning
C6 50 mmf 5-50 pf 48A053 Antenna trimmer in 1st RF module
C7 2160 mmf, pad 2160 mmf, pad Band 6
C8 2962 mmf, pad 2962 mmf, pad
C9 2276 mmf, pad 2276 mmf, pad Band 4
C10 1600 mmf, pad 1600 mmf, pad Band 3
C11 876 mmf, pad 876 mmf, pad
C12 515 mmf, pad 515 mmf, pad
C13 Temperature compensated Temperature compensating 44A062 Oscillator stabilization
No pf value given
C14 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V (2) 46AW203J
C15 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V 46AW203J
C16 0.02 mfd, 400 V 0.02 mfd, -10% +40% 600 V (2) 46AY203J
C17 0.05 mfd, 200 V 0.05 mfd, -10% +40% 200 V (2) 46AU503J
C18 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C19 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C20 0.02 mfd, 400 V 0.02 mfd, -10% +40% 600 V
C21 0.05 mfd, 200 V 0.05 mfd, -10% +40% 200 V
C22 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C23 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C24 0.02 mfd, 400 V 0.02 mfd, -10% +40% 600 V
C25 0.02 400 V 2000 mmfd, 20% 500 V (2) 47BV202F
C26 0.05 mfd, 200V 0.05 mfd, -10% +40% 200 V
C27 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C28 0.02 mfd, 400 V 0.02 mfd, -10% +40% 600 V
C29 20 mmf 2-6 mmfd (2) 44A079 "XTAL-Medium" adjust
C30 20 mmf 4-20 mmfd (2) 44AP78 "XTAL-Sharp" adjust
C31 20 mmf 4-20 mmfd (2) 44AP78 "I.F.-Sharp" adjust
C32 20 mmf 5-25 mmfd (2) 48A039
C33 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V (2) 46AW203J
C34 0.05 mfd, 200 V 0.05 mfd, -10% +40% 200 V (2) 46AU503J
C35 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V (2) 46AW203J
C36 0.02 mfd, 400 V 0.02 mfd, -10% +40% 600 V (2) 46AY203J
C37 50 mmf 50 mmfd +-20% 500V (2) 47BU500F Diode return bypass
C38 5 mmf 5-6.5 pf, 500V NA NA NA 47A005 Across T20
C39 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V (2) 46AW203J
C40 500 mmfd 500 mmfd +-20% 500 V (2) 47BU501F-L
C41 10 mfd 25 V 10 mfd -10% +40% 25 V
C42 0.02 mfd, 400 V 0.02 mfd, -10% +40% 600 V (2) 46AY203J
C43 5000 mmf 5000 mmfd +10% 300 V (2) 47BV502E
C44 10 mfd 300 V 10 mfd -10% +40% 300 V
C45 0.05 mfd, 200 V 0.05 mfd, -10% +40% 400 V (2) 46AW503J
C46 0.05 mfd, 200 V 0.05 mfd, -10% +40% 400 V
C47 40 mfd 45V 40 mfd, -10% +40% 25 V
C48 30 mfd 400 V 30 mfd, -10% +40% 400 V
C49 30 mfd 450 V 30 mfd, -10% +40% 450 V
C50 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C51 0.01 mfd 600 V 0.01 mfd, -10% +40% 600 V AC input to ground cap
C52 0.01 mfd 600 V 0.01 mfd, -10% +40% 600 V AC input to ground cap
C53 0.05 mfd, 200 V
C54 0.05 mfd, 200 V 0.05 mfd, -10% +40% 400 V
C55 X
C56 0.02 mfd, 400 V
C57 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C58 0.05 mfd, 200 V
C59 0.05 mfd, 200 V
C60 50 mmfd 50 mmfd +-20% 500V
C61 250 mmfd 250 mmfd +-20% 500V (2) 47BU251F Inside T1
C62 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C63 0.05 mfd, 200 V 0.05 mfd, -10% +40% 200 V
C64 100 mmfd 100 mmfd, 20% 500 V (2) 47BU101F
C65 0.02 mfd, 400 V 0.02 mfd, -10% +40% 400 V
C66 0.05 mfd, 200 V 0.05 mfd, -10% +40% 200 V
C67 0.02 mfd, 400 V 0.02 mfd, -10% +40% 600 V
C68 50 mmfd 50 mmfd +-20% 500V
C69 50 mmfd 50 mmfd +-20% 500V
C70 2000 mmfd 2000 mmfd, 20% 500 V
C71 100 mmfd 100 mmfd, 20% 500 V
C72 25 mmfd 5-25 mmfd, air BFO manual control
C73 500 mmfd 500 mmfd, +-5% 500 V
C74 0.01 mfd, 600 V 0.01 mfd, -10% +40% 600 V Braided leads
C75 2 mmfd 2 mmfd TL
C76 2000 mmfd 2000 mmfd, 20% 500 V
C77 0.05 mfd, 200 V 0.05 mfd, -10% +40% 200 V
C78 10 mmfd 10 pf, 10%, 500V NA NA NA 47A006 Across T18
C79 5 mmfd 5-6.5 pf, 500V NA NA NA 47A005 Across T17
C80 5 mmfd 5-6.5 pf, 500V NA NA NA 47A005 Across T16
C81 2 mmfd 2 pf NA NA NA Across T15, TL
C82 10 mmfd 10 pf, 10%, 500V NA NA NA 47A006 Across T1_
C83 5 mmfd 5-6.5 pf, 500V NA 2.5 pf 20% NA (2) 47A005
(4) 49A001		 Across T1_
C84 5 mmfd 2 pf NA NA NA Across T1_
C85 2 mmfd 2 pf NA NA NA Across T21, TL
C86 500 mmfd, +-20% 500 V
C87 0.25 mfd, -10%, +40% 200 V Across T21, TL
C88 4-20 mmfd, ceramic trimmer 44-076
C89 4-20 mmfd, ceramic trimmer 44-076
C90 4-20 mmfd, ceramic trimmer 44-076
C91 4-20 mmfd, ceramic trimmer 44-076
C92 3-25 mmfd, mica compression trimmer
C93 3-25 mmfd, mica compression trimmer 44-076
C94 2-6 mmfd, ceramic trimmer 44-077
C95 4-20 mmfd, ceramic trimmer 44-076
C96 4-20 mmfd, ceramic trimmer 44-076
C97 4-20 mmfd, ceramic trimmer 44-076
C98 3-25 mmfd, mica compression trimmer
C99 3-25 mmfd, mica compression trimmer
C100 5-25 mmfd, variable, air 48-049
C101 5-25 mmfd, variable, air 48-049
C102 5-25 mmfd, variable, air 48-049
C103 1-10 mmfd, variable, air 48-031
C104 275 mmfd Inside T1
C105 275 mmfd Inside T1
C106 125 mmfd Inside T2
C107 85 mmfd Inside T2
C108 90-125 mmfd, variable Inside T3
C109 90-125 mmfd, variable Inside T3
C110 80 mmfd 80 mmfd Inside T5
C111 80 mmfd 80 mmfd Inside T5
C112 100 mmfd 100 mmfd Inside T6
SW8-1
SW8-2
SW8-3
SW8-4		 62B025 Same wafer
SW8-5
SW8-6
SW8-7		 62B013 Same wafer
SW8-8
SW8-9
SW8-10		 62B013 Same wafer, same as SW8-5 etc
SW8-11
SW8-12
SW8-13		 62B015 Same wafer
SW8-14
SW8-15		 62B023 Same wafer
SW9-1
SW9-1=2
SW9-3		 60B048 Same wafer
T1 (2) 50B082 455 KHz IF
T2 (2) 50B081 455 KHz IF
T3 (2) 50B083
(4) 50B083 or 50C136		 455 KHz IF
T4 (2) 54B014 BFO
T5 50B097 Noise amp/noise rectifier
T6 50B080 AVC amp
T7 (2) 50B080: 117 V 50-60 Hz
(2) 52B034: 115-230 V 25-60 Hz		 Power transformer
T8 (2) 55A009 Audio output transformer
10K CT pri
100-500-5000 sec
T9 51A276 51B568 RF, 3-5.8 MHz
T10 51A277 51B569 RF, 5.8-11.5 MHz
T11 51A278 51B570 RF, 10.5-21 MHz
T12 51A279 51B571 RF, 21-43 MHz
T13 51A274 51B566 RF, .55-1.6 MHz
T14 51A275 51B567 RF, 1.6-3.0 MHz
T15 51A280 51B572 RF, 3.0-5.8
T16 51A281 51B573 RF,5.8-11.5 MHz
T17 51A282 51B574 RF, 10.5-21 MHz
T18 51A283 51B575 RF, 21-42 MHz
T19 51A284 51B576 RF, .55-1.6 MHz
T20 51A285 51B577 RF, 1.6-3.0 MHz
T21 51A286 51B578 RF, 3.0-5.8
T22 51A287 51B579 RF, 5.8-11.5 MHz
T23 51A288 51B580 RF, 10.5-21 MHz
T24 51A289 51B581 51B581 51B581 RF, 21-42 MHz
T27 51A292 51B584 Oscillator, band 3
I1 39A003 Lamp, GE #44, 6.3 V .25 A
I2 39A003 Lamp, GE #44, 6.3 V .25 A
I3 39A004 Lamp, GE #47, 6.3 V .15 A

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Last modified: Monday, 8 Jun 2026