5310-01-331-1279 WASHER,LOCK Index 5310-01-331-1281 WASHER,RECESSED

National Stock Number:
5310-01-331-1280

Federal Supply Class:
5310

National Item Identification Number:
013311280

Description:
WASHER,FINISHING

Detail:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.


Manufacturer Information:
LS855-698897LOCKHEED MARTIN CORP


Techincal Specification:
HOLE DIAMETER0.140 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
MATERIAL THICKNESS0.010 INCHES MINIMUM AND 0.018 INCHES MAXIMUM
MATERIALSTEEL COMP 1010 OVERALL OR COPPER ALLOY OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.330 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
OVERALL HEIGHT0.065 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA98897-LS855 MANUFACTURERS STANDARD
SURFACE TREATMENTCHROMIUM OVERALL OR NICKEL OVERALL


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