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National Stock Number:
5310-00-264-1862
Federal Supply Class:
5310
National Item Identification Number:
002641862
Description:
NUT,PLAIN,HEXAGON
Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
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Manufacturer Information:
| 492930 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | | 492930 | 77445 | RTX CORPORATION | | 512632 | 02602 | AEROJET ROCKETDYNE OF DE, INC | | 512632 | 61062 | COMET MFG CO INC | | 512632 | 77445 | RTX CORPORATION | | 5310PL1016783 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | AN150408 | 81352 | AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 8735 OR | | STEEL COMP 8740 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR | | MS 6325 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 19.0 ROCKWELL C MINIMUM AND | | 26.0 ROCKWELL C MAXIMUM | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.115 INCHES MINIMUM AND | | 0.135 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | BEARING SURFACE TYPE | CHAMFERED OR | | WASHER FACED | | COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM AND | | 92.0 DEGREES MAXIMUM NUT | | BEARING SURFACE FINISH | 60.0 MICROINCHES | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81352 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN150408 |
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