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National Stock Number:
5310-00-339-0205
Federal Supply Class:
5310
National Item Identification Number:
003390205
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:
| 272D8061016 | 38597 | LOCKHEED MARTIN CORPORATION | | 540C049-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.249 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | RECESS DEPTH | 0.108 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | RECESS DIAMETER | 0.750 INCHES NOMINAL | | SHOULDER HEIGHT | 0.062 INCHES MINIMUM AND 0.142 INCHES MAXIMUM | | SHOULDER DIAMETER | 0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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