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National Stock Number: 5310-00-138-4062
Federal Supply Class: 5310
National Item Identification Number: 001384062
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:
SMB350043 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
HOLE DIAMETER | 0.137 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | OUTSIDE DIAMETER | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | MATERIAL | PLASTIC POLYAMIDE OVERALL | RECESS DEPTH | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM | RECESS DIAMETER | 0.173 INCHES MINIMUM AND 0.181 INCHES MAXIMUM | SHOULDER DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM | SHOULDER HEIGHT | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM | STYLE DESIGNATOR | SHOULDERED AND RECESSED |
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