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National Stock Number:
5310-01-320-5920
Federal Supply Class:
5310
National Item Identification Number:
013205920
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:
| 03A257C5A | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A257C5A | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | AS19879C5A | 10630 | ANILLO INDUSTRIES LLC | | MM118C5A | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | 03A257C5A | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | NS202860C5A | 80539 | SPS TECHNOLOGIES, LLC | | VN948BF5C | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VN948BF5C | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VN948-5CA | 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 | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR | | AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR | | AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OR | | AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OR | | AMS 5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM ALLOY OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.314 INCHES MINIMUM AND | | 0.318 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.575 INCHES MINIMUM AND | | 0.585 INCHES MAXIMUM | | RECESS DIAMETER | 0.386 INCHES MINIMUM AND | | 0.396 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND | | 0.069 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | TEST DATA DOCUMENT | 96906-MIL-STD-6866 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
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