5310-01-144-7392, WASHER,KEY

National Stock Number:
5310-01-144-7392

Federal Supply Class:
5310

National Item Identification Number:
011447392

Description:
WASHER,KEY

Detail:
A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Manufacturer Information:

BACW10BW55

77272

THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY	4.280 INCHES MINIMUM AND 4.300 INCHES MAXIMUM
EXTERNAL KEY QUANTITY	4
EXTERNAL STRAIGHT KEY WIDTH	0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	8.893 INCHES MINIMUM AND 8.973 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH	0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM
INTERNAL KEY QUANTITY	2
OUTSIDE DIAMETER	9.660 INCHES MINIMUM AND 9.680 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	10.000 INCHES MINIMUM AND 10.020 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.096 INCHES MINIMUM AND 0.104 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OR STEEL COMP 4340 OVERALL
SPECIAL FEATURES	INTERNAL KEYS 180.0 DEGREES APART OFFSET 8 DEG 15 MIN 55 SEC FROM CENTER LINE OF EXTERNAL KEYS
STYLE DESIGNATOR	KEY
SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DOD-P-16232,TY Z,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL

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