NSN 5310-00-253-2798

Part Details | HEXAGON PLAIN NUT

5310-00-253-2798 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.)

Alternate Parts: FFN836, MS5196750, MS51967-50, 1238730550, 12387305-50, D2617 PIECE6, D2617 PIECE-6, 2 14 4 12 U NC 2B, 2 1/4 - 4 1/2 U NC - 2B, 2 14 X 4 12 U NC HEX (SPL), 2 1-4 X 4 1-2 U NC HEX (SPL), 5310-00-253-2798, 00-253-2798, 5310002532798, 002532798

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 25, 196900-253-279801857 ( NUT, PLAIN, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-253-2798
Part Number Cage Code Manufacturer
FFN83681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS51967-5096906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
12387305-5019207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
D2617 PIECE-687045WALZ & KRENZER, INC.DBA MAPECO PRODUCTS
2 1/4 - 4 1/2 U NC - 2BD9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
2 1-4 X 4 1-2 U NC HEX (SPL)D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5310-00-253-2798
Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE2.250 INCHES
THREAD QUANTITY PER INCH4.5
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATING90.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NUT STYLE HEXAGON
NUT HEIGHT1.874 INCHES MINIMUM AND 1.970 INCHES MAXIMUM
WIDTH ACROSS FLATS3.262 INCHES MINIMUM AND 3.375 INCHES MAXIMUM
BEARING SURFACE TYPEL$DCH
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE AND B GRADE