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National Stock Number:
5310-01-102-9871
Federal Supply Class:
5310
National Item Identification Number:
011029871
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:
| 10890794 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | STEEL COMP 1015 OR | | STEEL COMP 1016 OR | | STEEL COMP 1017 OR | | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OR | | STEEL COMP 1021 OR | | STEEL COMP 1022 OR | | STEEL COMP 1023 OR | | STEEL COMP 1025 OR | | STEEL COMP 1115 OR | | STEEL COMP 1116 OR | | STEEL COMP 1117 OR | | STEEL COMP 1118 OR | | STEEL COMP 1119 OR | | STEEL COMP 1120 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.969 INCHES MINIMUM AND | | 1.031 INCHES MAXIMUM | | RECESS DIAMETER | 0.562 INCHES NOMINAL | | MATERIAL THICKNESS | 0.250 INCHES NOMINAL | | RECESS ANGLE | 82.0 DEGREES NOMINAL | | HEAT TREATMENT | COLD FINISH |
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