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		                        | National Stock Number:
 5310-01-497-7019
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 014977019
 
 Description:
 WASHER,LOCK
 
 Detail:
 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
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 Manufacturer Information:
 
 | 35808-4ITEM134 | 51802 | HANSOME ENERGY SYSTEMS INC |  | 35808-4ITEM134 | 95402 | ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC |  | 35808-4ITEM134 | 96169 | ELECTRIC BOAT CORPORATION | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 1016 OR |  |  | STEEL COMP 1064 OR |  |  | STEEL COMP 1065 OR |  |  | STEEL COMP 1070 OR |  |  | STEEL COMP 1074 OR |  |  | STEEL COMP 1078 OR |  |  | STEEL COMP 1080 OVERALL |  | SURFACE TREATMENT | ZINC OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM,B633,TY I ASSN STD SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND |  |  | 53.0 ROCKWELL C MAXIMUM |  | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |  | HOLE DIAMETER | 0.628 INCHES MINIMUM AND |  |  | 0.641 INCHES MAXIMUM |  | OUTSIDE DIAMETER | 0.917 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.203 INCHES NOMINAL |  | SPECIAL FEATURES | MATERIAL SPEC IS FF-W-84 | 
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