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National Stock Number:
5310-01-205-9202
Federal Supply Class:
5310
National Item Identification Number:
012059202
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:
| 1210C1476 | 03538 | LOCKHEED MARTIN CORPORATION | | 1210C1476 | 07635 | ESSINGTON METAL WORKS INC | | 1210C1476 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS | | 1213D1466 FIND 1 | 03538 | LOCKHEED MARTIN CORPORATION | | 1213D1466 FIND 1 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |
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Techincal Specification:
| HOLE DIAMETER | 8.750 INCHES MINIMUM AND 8.751 INCHES MAXIMUM | | OUTSIDE DIAMETER | 10.156 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.250 INCHES NOMINAL | | MATERIAL | STEEL COMP 304 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SHOULDER HEIGHT | 1.438 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES OUTER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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