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National Stock Number:
5310-01-106-7990
Federal Supply Class:
5310
National Item Identification Number:
011067990
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:
| 12297891 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 5083 OVERALL | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | HOLE DIAMETER | 0.271 INCHES MINIMUM AND | | 0.323 INCHES MAXIMUM | | SHOULDER DIAMETER | 0.690 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.250 INCHES NOMINAL | | RECESS DIAMETER | 0.507 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.063 INCHES MINIMUM AND | | 0.120 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.250 INCHES NOMINAL | | RECESS ANGLE | 82.0 DEGREES NOMINAL |
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