5310-01-143-5051, WASHER,KEY

National Stock Number:
5310-01-143-5051

Federal Supply Class:
5310

National Item Identification Number:
011435051

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:

BACW10BW54	77272	THE BOEING COMPANY
BACW10BW54S	77272	THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY	0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM
EXTERNAL KEY QUANTITY	4
EXTERNAL STRAIGHT KEY WIDTH	0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	2.187 INCHES MINIMUM AND 2.207 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH	0.295 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
INTERNAL KEY QUANTITY	2
OUTSIDE DIAMETER	2.744 INCHES MINIMUM AND 2.764 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	2.934 INCHES MINIMUM AND 2.954 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	0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OR STEEL COMP 4340 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SPECIAL FEATURES	INTERNAL KEYS 180.0 DEGREES APART OFFSET 17 DEG 36 MIN 31 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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