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National Stock Number:
5310-01-230-3396
Federal Supply Class:
5310
National Item Identification Number:
012303396
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:
| 13082051-1 | 04939 | LOCKHEED MARTIN CORPORATION | | 13082051-1 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582, CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.375 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.555 INCHES MINIMUM AND 1.560 INCHES MAXIMUM | | RADIUS | 0.910 INCHES NOMINAL | | RECESS DIAMETER | 1.370 INCHES NOMINAL | | SPECIAL FEATURES | CONCAVE BOTTOM,RECESSED TOP | | SURFACE TREATMENT | PASSIVATE OVERALL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | HOLE DIAMETER | 1.119 INCHES MINIMUM AND 1.128 INCHES MAXIMUM |
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