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National Stock Number:
5310-01-231-1325
Federal Supply Class:
5310
National Item Identification Number:
012311325
Description:
WASHER,CONCAVE
Detail:
A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES WASHER (1), RECESSED AND BEARING, WASHER, THRUST.
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Manufacturer Information:
| 13074521 | 04939 | LOCKHEED MARTIN CORPORATION | | 13074521 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
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Techincal Specification:
| HOLE DIAMETER | 0.541 INCHES MINIMUM AND 0.554 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.225 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.713 INCHES MINIMUM AND 0.718 INCHES MAXIMUM | | RADIUS | 0.375 INCHES NOMINAL | | RECESS DIAMETER | 0.686 INCHES NOMINAL | | SPECIAL FEATURES | CONCAVE TOP,RECESSED BOTTOM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIS-20134, FSCM 58260 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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