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National Stock Number:
5310-00-176-7897
Federal Supply Class:
5310
National Item Identification Number:
001767897
Description:
NUT,PLAIN,CASTELLATED,HEXAGON
Detail:
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.
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Manufacturer Information:
| 330-4 | 80049 | DEPARTMENT OF THE AIR FORCE | | FFB571TYPEA4 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | USAF330-4 | 80049 | DEPARTMENT OF THE AIR FORCE |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.288 INCHES NOMINAL | | NUT STYLE | CASTELLATED, HEXAGON | | WIDTH ACROSS FLATS | 0.438 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES | UNF |
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