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National Stock Number:
5310-01-356-0056
Federal Supply Class:
5310
National Item Identification Number:
013560056
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:
| 0.25020UNC2BT1G4NSA/BEC | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 803-2177525-CX3XX PIECE 15 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-S1XX-17 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | NUT HEIGHT | 0.219 INCHES NOMINAL | | NUT STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.438 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNC | | THREAD QUANTITY PER INCH | 20 |
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