5310-01-091-1241 NUT,SELF-LOCKING,HEXAGON Index 5310-01-091-1243 WASHER,FLAT

National Stock Number:
5310-01-091-1242

Federal Supply Class:
5310

National Item Identification Number:
010911242

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:
CA21089-C-4R29372HOWMET GLOBAL FASTENING SYSTEMS INC.
CA21089-C-4R5R793HOWMET GLOBAL FASTENING SYSTEMS INC
CA21089-C-4R71286HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
MATERIALSTEEL COMP 631 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING950.0 ROCKWELL H MAXIMUM
STYLE DESIGNATORKEY
INTERNAL KEY QUANTITY2
HOLE DIAMETER0.250 INCHES MINIMUM AND
0.255 INCHES MAXIMUM
OUTSIDE DIAMETER0.345 INCHES MINIMUM AND
0.355 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH0.044 INCHES MINIMUM AND
0.045 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.095 INCHES NOMINAL
MATERIAL THICKNESS0.021 INCHES MINIMUM AND
0.029 INCHES MAXIMUM


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