Aluminum Backplane Systems / Catalog - M28754

CROSS REFERENCE:

MIL-C-28754 AND WS6157 TO SUN PART NUMBERS

Components contained within SUN's aluminum tuning fork backplanes meet the requirements of MIL-C-28754 and WS6157 and are cross-referenced here. Other contact lengths are available. Please contact SUN Electronics Distribution Inc. for more information.

MIL SPEC	DASH #	OVERALL LENGTH +/- .010	WIREWRAP REF	TUNING FORK CONTACT P/N	BUSHING
M28754 / 34 WS6157 / 1 TUNING FORK, BUSHING, AND INSULATOR	-1 -2 -3 -4 -5 -6	0.518 (13.03) 0.588 (14.93) 0.688 (17.47) 0.838 (21.28) 0.963 (24.46) 1.088 (27.63)	0.175 (4.45) 0.250 (6.35) 0.350 (8.89) 0.500(12.70) 0.625(15.88) 0.750(19.05)	121-6620-614 121-6614-614 121-6643-614 121-6611-614 121-6625-614 121-6613-614	413-1113-113 413-1113-113 413-1113-113 413-1113-113 413-1113-113 413-1113-113
M28754 / 36 WS6157 / 3 TUNING FORK AND GROUND BUSHING SET	-1 -2 -3 -4 -5 -6	0.518 (13.03) 0.588 (14.93) 0.688 (17.47) 0.838 (21.28) 0.963 (24.46) 1.088 (27.63)	0.175(4.45) 0.250 (6.35) 0.350 (8.89) 0.500(12.70) 0.625(15.88) 0.750(19.05)	121-6620-614 121-6614-614 121-6643-614 121-6611-614 121-6625-614 121-6613-614	627-1125-616 627-1125-616 627-1125-616 627-1125-616 627-1125-616 627-1125-616
M28754 / 37 WS6157 / 4 TUNING FORK AND BUSHING	-1 -2 -3 -4 -5 -6	0.518 (13.03) 0.588 (14.93) 0.688 (17.47) 0.838 (21.28) 0.963 (24.46) 1.088 (27.63)	0.175 (4.45) 0.250 (6.35) 0.350 (8.89) 0.500(12.70) 0.625(15.88) 0.750(19.05)	121-6620-614 121-6614-614 121-6643-614 121-6611-614 121-6625-614 121-6613-614	413-1112-113 413-1112-113 413-1112-113 413-1112-113 413-1112-113 413-1112-113
M28754 / 38 WS6157 / 5 GROUND WRAP POST	-1 -2 -3 -4 -5 -6	0.320 (8.13) 0.395 (10.03) 0.495 (12.57) 0.645 (16.38) 0.770 (19.56) 0.895 (22.73)	0.175 (4.45) 0.250 (6.35) 0.350 (8.89) 0.500 (12.70) 0.625 (15.88) 0.750 (19.05)	162-3625-614 162-3626-614 162-3627-614 162-3617-614 162-3618-614 162-3619-614	---------- ---------- ---------- ---------- ---------- ----------

Plating Designation for WS6157 Spec will be -614

Typical Call-Out: MIL-C-28754/34-5 = SUN contact P/N 121-6625-614 + Insulator 413-1113-113

Typical Call-Out: WS6157/15000 = SUN contact P/N 121-6625-614 + Insulator 413-1113-113

M28754/38-2 = Terminal Ground Post .025 Square

CROSS REFERENCE:

581R848HXX PART NUMBERS TO SUN PART NUMBERS

Components contained within SUN's aluminum tuning fork backplanes meet the requirements of MIL-C-28754 and 581R848HXX and are cross-referenced here. Other contact lengths and parts are available. Please contact SUN Electronics Distribution Inc. for more information.

581R848HXX PART NUMBERS	H SUFFIX #	SUN PART NUMBERS
581R848H PART NUMBERS	-02 -03 -04 -05 -14 -15 -17 -27 -33 -35 -55	675-1147-111 675-1152-111 627-1146-111 627-1147-111 413-1112-113 415-1112-113 627-1125-616 161-3621-614 161-3613-614 161-3612-614 121-9612-614

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POLARIZING KEYS

(Material Polycarbonate per L-P-393 or Sintered Metal)

SUN recommends sintered metal to increase the "polarizing feel" of connectors (especially those with large number of contacts) to prevent the engagement of those that should not mate.

SUN PART NUMBER	FIG.	MATERIAL	TYPE	MIL SPEC PART NUMBER	SUN PART NUMBER FOR MATING PIN
627-1121-112 627-1122-112 627-1236-112 627-1146-111 627-1147-111	1 2 3 1 2	Poly_ carbonate Poly- carbonate Poly- carbonate Sintered Metal Sintered Metal	D V O D V	M28754 / 39 - 002 M28754 / 39 - 001 N/A M28754 / 39 - 005 M28754 / 39 - 004	675 - 1134 - 111 675 - 1152 - 111 675 - 1283 - 111 675 - 1134 - 111 675 - 1152 - 111

DIMENSIONAL DATA

CONTACTS AND INSULATORS

click here for contact plating information

CONTACT / TUNING FORK - SQUARE TAIL

(normal insertion force)

PART NUMBER	OVERALL LENGTH	A (+ / - .012) WIREWRAP REF
121-6611-614 121-6613-614 121-6614-614 121-6620-614 121-6625-614 121-6643-614	0.838 1.088 0.588 0.518 0.963 0.688	0.500 (12.78) 0.750 (19.05) 0.250 (6.35) 0.175 (4.45) 0.625 (15.88) 0.350 (8.89)

- Last 3 digits (614) specify plating type / military plating.

- Please contact SUN Electronics Distribution Inc. to inquire about any part not seen here or to review availability.

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INSULATORS

PART NUMBER	DESCRIPTION	BOSS LENGTH	MATERIAL	B (SQ.)
413-1113-113 413-1112-113 413-1121-113 413-1129-113 413-1110-113 413-1141-113 413-1155-113	1 key 2 key 2 key "V" 2 key "D" 1 key 2 key 1 key	.120 .120 .120 .120 .180 .180 .300	natural, nylon natural, nylon natural, nylon natural, nylon natural, nylon natural, nylon natural, nylon	.100 (2.54)

- 113 DESIGNATES NATURAL COLOR, OTHER COLORS AVAILABLE UPON REQUEST.

GROUND AND VOLTAGE BUSHINGS

PART NUMBER	C (DIAMETER)	DESCRIPTION
627-1125-616 627-1139-661	0.100 (2.54) max.	ground voltage - TIN

FEED THROUGH'S

PART NUMBER	OVERALL LENGTH	MATERIAL
161-3611-614 161-3612-614 161-3613-614 161-3614-614	0.766 0.891 1.001 1.141	phosphor bronze phosphor bronze phosphor bronze phosphor bronze

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DESCRIPTION	PART NUMBER
CONTACT / INSULATOR INSERTION CONTACT / GROUND BUSHING INSERTION CONTACT / INSULATOR EXTRACTION CONTACT / GROUND BUSHING EXTRACTION GROUND BUSHING INSERTION	711-1115-111 711-1115-111 711-1112-111 711-1112-111 711-1269-111