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National Stock Number:
5310-01-121-8529
Federal Supply Class:
5310
National Item Identification Number:
011218529
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:
| 10109389 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 74A410551-2003 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 172 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-530,TEMPER AT FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | HOLE DIAMETER | 2.9700 INCHES MINIMUM AND | | 2.9750 INCHES MAXIMUM | | SHOULDER DIAMETER | 3.1900 INCHES MINIMUM AND | | 3.1915 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.504 INCHES MINIMUM AND | | 3.506 INCHES MAXIMUM | | RECESS DIAMETER | 3.130 INCHES MINIMUM AND | | 3.135 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.540 INCHES NOMINAL | | MATERIAL THICKNESS | 0.089 INCHES MINIMUM AND | | 0.090 INCHES MAXIMUM | | RECESS ANGLE | 88.0 DEGREES MINIMUM AND | | 92.0 DEGREES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES TOP |
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