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National Stock Number:
5310-00-298-7523
Federal Supply Class:
5310
National Item Identification Number:
002987523
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:
| 338948 | 17772 | AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC | | 338948 | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY | | 338948 | 70265 | ALL POWER MANUFACTURING CO. | | 5310PL1014280 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 338948 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | STEEL COMP 8630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050,COND C1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 2.437 INCHES MINIMUM AND | | 2.438 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.200 INCHES NOMINAL | | RECESS DIAMETER | 3.040 INCHES NOMINAL | | MATERIAL THICKNESS | 0.435 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | RECESS ANGLE | 80.0 DEGREES NOMINAL | | SPECIAL FEATURES | OUTER EDGE CHAMFERED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98897 | | DESIGN CONTROL REFERENCE | 338948 |
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