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National Stock Number:
5310-01-347-8263
Federal Supply Class:
5310
National Item Identification Number:
013478263
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:
| 03A257-12CA | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 03A257C12A | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A257C12A | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | AS19879C12A | 10630 | ANILLO INDUSTRIES INC | | MM118C12A | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | NS202860C12A | 80539 | SPS TECHNOLOGIES, LLC | | VN948BF12C | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| HOLE DIAMETER | 0.752 INCHES MINIMUM AND 0.756 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.518 INCHES MINIMUM AND 1.528 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 AND NICKEL ALLOY 718 OVERALL | | RECESS ANGLE | 40.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.903 INCHES MINIMUM AND 0.913 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | ALUMINUM ALLOY OVERALL |
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