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National Stock Number:
5310-01-123-2397
Federal Supply Class:
5310
National Item Identification Number:
011232397
Description:
WASHER,SHOULDERED AND RECESSED
Detail:
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING, SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.
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Manufacturer Information:
| 803-2177142-514-18 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177142-5XX-18 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| HOLE DIAMETER | 2.757 INCHES MINIMUM AND 2.762 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.907 INCHES MINIMUM AND 4.912 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A515,GRADE 70 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.190 INCHES MINIMUM AND 0.205 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 3.007 INCHES MINIMUM AND 3.012 INCHES MAXIMUM | | SHOULDER DIAMETER | 3.500 INCHES NOMINAL | | SHOULDER HEIGHT | 0.045 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | STYLE DESIGNATOR | SHOULDERED AND RECESSED BOTH SIDES | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE FINISH | 63.0 MICROINCHES SHOULDER FACE | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
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