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National Stock Number:
5310-01-388-7418
Federal Supply Class:
5310
National Item Identification Number:
013887418
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:
| 03A257C8 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A257C8 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | AS19879C8 | 10630 | ANILLO INDUSTRIES LLC | | MM118C8 | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | NS202860C8 | 80539 | SPS TECHNOLOGIES, LLC | | VN948NP8C | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| HOLE DIAMETER | 0.501 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL OR NICKEL ALLOY 718 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.922 INCHES MINIMUM AND 0.932 INCHES MAXIMUM | | RECESS ANGLE | 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.614 INCHES MINIMUM AND 0.624 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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