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National Stock Number:
5310-01-363-7266
Federal Supply Class:
5310
National Item Identification Number:
013637266
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:
| 03A257C4P | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A257C4P | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | AS19879C4P | 10630 | ANILLO INDUSTRIES LLC | | MM118C4P | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | NS202860C4P | 80539 | SPS TECHNOLOGIES, LLC | | VN948BC4C | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| MATERIAL | IRON ALLOY 660 OR | | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD 1ST MATERIAL RESPONSE OR | | AMS5737 ASSN STD 1ST MATERIAL RESPONSE OR | | AMS5596 ASSN STD 2ND MATERIAL RESPONSE OR | | AMS5597 ASSN STD 2ND MATERIAL RESPONSE OR | | AMS5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.251 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.460 INCHES MINIMUM AND | | 0.470 INCHES MAXIMUM | | RECESS DIAMETER | 0.310 INCHES MINIMUM AND | | 0.320 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND | | 0.069 INCHES MAXIMUM | | RECESS ANGLE | 80.0 DEGREES MINIMUM AND | | 100.0 DEGREES MAXIMUM |
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