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		                        | National Stock Number:
 5310-01-039-7449
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 010397449
 
 Description:
 WASHER,SPRING TENSION
 
 Detail:
 A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
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 Manufacturer Information:
 
 | 310-0552-000 | 81205 | THE BOEING COMPANY |  | 3502-07-01STLCADPL | 78189 | ITW SHAKEPROOF AUTOMOTIVE PRODUCTS | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 1050 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND |  |  | 50.0 ROCKWELL C MAXIMUM |  | HOLE DIAMETER | 0.156 INCHES MINIMUM AND |  |  | 0.166 INCHES MAXIMUM |  | OUTSIDE DIAMETER | 0.297 INCHES MINIMUM AND |  |  | 0.307 INCHES MAXIMUM |  | OVERALL HEIGHT | 0.047 INCHES MINIMUM AND |  |  | 0.067 INCHES MAXIMUM |  | MATERIAL THICKNESS | 0.00925 INCHES MINIMUM AND |  |  | 0.01075 INCHES MAXIMUM |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 81205 |  | DESIGN CONTROL REFERENCE | 310-0552-000 | 
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