5306-01-292-5237 BOLT,INTERNAL WRENCHING Index 5310-01-292-5239 WASHER,KEYWAY

National Stock Number:
5310-01-292-5238

Federal Supply Class:
5310

National Item Identification Number:
012925238

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:
1257607119200US ARMY ARDEC RDECOM


Techincal Specification:
EXTERNAL PREBENT KEY ANGLE45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
EXTERNAL PREBENT KEY WIDTH0.480 INCHES NOMINAL
EXTERNAL KEY QUANTITY6
HOLE DIAMETER2.140 INCHES NOMINAL
INTERNAL STRAIGHT KEY WIDTH0.495 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.720 INCHES NOMINAL
MATERIALSTEEL COMP 1018 OVERALL
OUTSIDE DIAMETER3.060 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS4.167 INCHES NOMINAL
SPECIAL FEATURES1 TOOTH BENT 90 DEG 1.600 FROM WASHER C/L 0.600 LG X 0.590 W
STYLE DESIGNATORKEY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
TAPERED KEY MINOR WIDTH0.820 INCHES NOMINAL


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