5310-01-256-9253 FASTENER,PANEL Index 5310-01-256-9255 WASHER,KEY

National Stock Number:
5310-01-256-9254

Federal Supply Class:
5310

National Item Identification Number:
012569254

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:
2640-328 PIECE 10396169ELECTRIC BOAT CORPORATION
60-28-658296169ELECTRIC BOAT CORPORATION
SS845-2050868 PIECE 10380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
EXTERNAL KEY QUANTITY7
EXTERNAL STRAIGHT KEY LENGTH0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
EXTERNAL STRAIGHT KEY WIDTH0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAT TREATMENTANNEALED
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.282 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A,ANNEALED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.034 INCHES MINIMUM AND 0.066 INCHES MAXIMUM
III MATERIALNICKEL ALLOY 400 OVERALL
PEENING KEY LENGTH1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS1.796 INCHES MINIMUM AND 1.828 INCHES MAXIMUM
STYLE DESIGNATORKEY


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