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National Stock Number:
5310-00-740-0429
Federal Supply Class:
5310
National Item Identification Number:
007400429
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:
| 7400429 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.438 INCHES NOMINAL | | HOLE DIAMETER | 0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR QQ-S-633 CANC FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-633 CANC FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-633 CANC FED SPEC 4TH MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4032 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1020 OVERALL | | RECESS DIAMETER | 0.438 INCHES NOMINAL | | RECESS DEPTH | 0.016 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.438 INCHES NOMINAL |
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