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National Stock Number:
5310-01-410-7837
Federal Supply Class:
5310
National Item Identification Number:
014107837
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:
| 10122305 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 1901AS401-03 | 0NNS4 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN SIMULATION TRAINING & SUPPORT | | 1901AS401-03 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.108 INCHES MINIMUM AND | | 0.112 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.250 INCHES NOMINAL | | RECESS DIAMETER | 0.177 INCHES NOMINAL | | MATERIAL THICKNESS | 0.050 INCHES NOMINAL | | RECESS ANGLE | 81.0 DEGREES NOMINAL |
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