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National Stock Number:
5310-00-082-1578
Federal Supply Class:
5310
National Item Identification Number:
000821578
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:
| GW10F3 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.190 INCHES MINIMUM AND 0.192 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.438 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.063 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.251 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CADMIUM OVERALL |
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