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National Stock Number:
5310-00-543-2122
Federal Supply Class:
5310
National Item Identification Number:
005432122
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:
| FF-B-575 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FFB571TYPEA4 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | NUT STYLE | CASTELLATED, HEXAGON | | NUT HEIGHT | 0.275 INCHES MINIMUM AND | | 0.288 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | BEARING SURFACE TYPE | WASHER FACED | | NONDEFINITIVE SPEC/STD DATA | A4 TYPE | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY COARSE THD | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-B-575 |
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