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National Stock Number:
5310-01-242-0406
Federal Supply Class:
5310
National Item Identification Number:
012420406
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:
| 25519R1 | 0SAT8 | KOMATSU AMERICA CORP. | | 25519R1 | 29510 | KOMATSU AMERICAN INTL CO | | 25519R1 | 338X5 | ND DEFENSE LLC | | 90473A09 | 39428 | MCMASTER-CARR SUPPLY CO | | 25519R1 | 45RP7 | DRESSTA NORTH AMERICA LTD | | 25519R1 | 92679 | NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ | | ESP-E-1.101-GS | 338X5 | ND DEFENSE LLC | | ESP-E-1.121-PP | 338X5 | ND DEFENSE LLC |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT OR WASHER FACED | | MATERIAL DOCUMENT AND CLASSIFICATION | CEMS A-31, PART II, TYPE 8 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,1/4 NC TYPE 8 | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CEMS G-1, CLASS B-2 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNC |
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