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National Stock Number:
5310-01-275-4551
Federal Supply Class:
5310
National Item Identification Number:
012754551
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:
| 728340-1 | 0JMJ9 | MTP AIRCRAFT SALES INC | | 728340-1 | 17772 | AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC | | 728340-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HARDNESS RATING | 23.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.757 INCHES MINIMUM AND 0.776 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND C-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.220 INCHES NOMINAL | | RECESS DIAMETER | 0.900 INCHES NOMINAL | | SHOULDER DIAMETER | 0.940 INCHES NOMINAL |
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