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National Stock Number:
5310-01-162-9158
Federal Supply Class:
5310
National Item Identification Number:
011629158
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:
| 70400-02251-113 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | NOMINAL THREAD SIZE | 1.250 INCHES | | NUT HEIGHT | 0.375 INCHES NOMINAL | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 1.728 INCHES MINIMUM AND 1.752 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | LEFT-HAND | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES | UNJF |
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