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National Stock Number:
5310-00-268-7311
Federal Supply Class:
5310
National Item Identification Number:
002687311
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:
| AN310-18 | 81352 | AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP | | FF-N-836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | COUNTERSINK ANGLE | 109.0 DEGREES MINIMUM AND 111.0 DEGREES MAXIMUM NUT | | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 1.125 INCHES | | NONDEFINITIVE SPEC/STD DATA | 5 TYPE AND A GRADE | | NUT HEIGHT | 1.141 INCHES MINIMUM AND 1.172 INCHES MAXIMUM | | NUT STYLE | CASTELLATED, HEXAGON | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES | UNF | | WIDTH ACROSS FLATS | 1.667 INCHES MINIMUM AND 1.690 INCHES MAXIMUM |
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