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National Stock Number:
5310-00-253-2798
Federal Supply Class:
5310
National Item Identification Number:
002532798
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:
| 12387305-50 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 2 1-4 X 4 1-2 U NC HEX (SPL) | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | FFN836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | D2617 PIECE-6 | 87045 | WALZ & KRENZER INC | | MS51967-50 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 2 1/4 - 4 1/2 U NC - 2B | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT OR CHAMFERED | | HARDNESS RATING | 90.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 2.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE AND B GRADE | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.874 INCHES MINIMUM AND 1.970 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 3.262 INCHES MINIMUM AND 3.375 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 4.5 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
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