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National Stock Number:
5310-01-123-6388
Federal Supply Class:
5310
National Item Identification Number:
011236388
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:
| 65218-09003-104 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | HOLE DIAMETER | 0.129 INCHES MINIMUM AND | | 0.134 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.380 INCHES NOMINAL | | RECESS DIAMETER | 0.236 INCHES NOMINAL | | MATERIAL THICKNESS | 0.016 INCHES NOMINAL | | RECESS ANGLE | 100.0 DEGREES NOMINAL |
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