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National Stock Number:
5310-00-299-0079
Federal Supply Class:
5310
National Item Identification Number:
002990079
Description:
WASHER,RECESSED
Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.
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Manufacturer Information:
| 10234019 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 5310002990079 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COMPOSITION E4130,CONDITION F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.390 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.970 INCHES MINIMUM AND | | 1.030 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | TOP RECESS DIAMETER | 0.450 INCHES NOMINAL | | BOTTOM RECESS DIAMETER | 0.450 INCHES NOMINAL | | BOTTOM RECESS ANGLE | 45.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 45.0 DEGREES NOMINAL |
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