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National Stock Number:
5310-01-222-7437
Federal Supply Class:
5310
National Item Identification Number:
012227437
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:
| 5310012227437 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 7710840 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 30.0 DEGREES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-5687, TYPE 2, COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.785 INCHES MINIMUM AND 0.787 INCHES MAXIMUM | | MATERIAL | IRON ALLOY OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM | | SURFACE FINISH | 120.0 MICROINCHES BOTTOM | | SURFACE FINISH | 120.0 MICROINCHES TOP | | TOP RECESS ANGLE | 30.0 DEGREES NOMINAL |
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