5310-00-857-9788 NUT,PLAIN,ROUND Index 1025-00-857-9790 PISTON,RAMMER

National Stock Number:
5310-00-857-9789

Federal Supply Class:
5310

National Item Identification Number:
008579789

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:
1092262219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
EXTERNAL KEY QUANTITY19
EXTERNAL STRAIGHT KEY WIDTH0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
HOLE DIAMETER2.640 INCHES NOMINAL
INTERNAL PREBENT KEY LENGTH0.188 INCHES NOMINAL
INTERNAL PREBENT KEY WIDTH0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
OUTSIDE DIAMETER2.969 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS3.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.067 INCHES NOMINAL
MATERIALSTEEL OVERALL
STYLE DESIGNATORKEY
SURFACE TREATMENTCADMIUM OVERALL


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