5310-00-625-3891, WASHER,KEY

National Stock Number:
5310-00-625-3891

Federal Supply Class:
5310

National Item Identification Number:
006253891

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:

BACW10BW27

81205

THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY	1.428 INCHES MINIMUM AND 1.448 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	3.167 INCHES MINIMUM AND 3.187 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH	0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
INTERNAL KEY QUANTITY	2
OUTSIDE DIAMETER	3.690 INCHES MINIMUM AND 3.710 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	3.858 INCHES MINIMUM AND 3.878 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OVERALL
SPECIAL FEATURES	INTERNAL KEYS 180 DEG APART OFFSET 13 DEG 3 MIN 52 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	MIL-P-16232,TYPE Z,CLASS A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL

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