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National Stock Number:
5310-01-331-1281
Federal Supply Class:
5310
National Item Identification Number:
013311281
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:
| 03A280C3 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | AS32990C3 | 10630 | ANILLO INDUSTRIES LLC | | MM891C3 | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | NS202859-3 | 80539 | SPS TECHNOLOGIES, LLC | | NS202859C3 | 80539 | SPS TECHNOLOGIES, LLC | | VN948YNP3C | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.191 INCHES MINIMUM AND 0.195 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.357 INCHES MINIMUM AND 0.377 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5597 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5596 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | RECESS ANGLE | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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