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National Stock Number:
5310-01-188-9646
Federal Supply Class:
5310
National Item Identification Number:
011889646
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:
| 75A326974-2001 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 75A326974-2001 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | 75A326974-2001 | K1987 | BAE SYSTEMS PLC |
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Techincal Specification:
| SPECIAL FEATURES | D SHAPED PERIPHERAL,FLAT END 0.940 IN.,RADIUS FLAT END 0.100 IN. | | HOLE DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | S07-1008,FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.063 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | PROPRIETARY CHARACTERISTICS | PACS | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |
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