5310-00-988-0226, WASHER,KEY

National Stock Number:
5310-00-988-0226

Federal Supply Class:
5310

National Item Identification Number:
009880226

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:

114D5138-1	77272	THE BOEING COMPANY
BACW10BW23	81205	THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY	1.247 INCHES MINIMUM AND 1.257 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	2.810 INCHES MINIMUM AND 2.830 INCHES MAXIMUM
INTERNAL KEY QUANTITY	2
INTERNAL STRAIGHT KEY WIDTH	0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
OUTSIDE DIAMETER	3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	3.500 INCHES MINIMUM AND 3.580 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 OVERALL
SPECIAL FEATURES	INTERNAL KEYS 180 DEG APART OFFSET 16 DEG 22 MIN FROM CENTER LINE OF EXTERNAL KEYS
STYLE DESIGNATOR	KEY
SURFACE TREATMENT	ZINC AND PHOSPHATE OVERALL

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