Product Details | HEXAGON PLAIN NUT

5310-00-550-3769 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.

Part Alternates: 5310-00-550-3769, 00-550-3769, 5310005503769, 005503769

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-550-3769

Drawings & Photos | NSN 5310-00-550-3769


Cross Reference | NSN 5310-00-550-3769

Part Number Cage Code Manufacturer
8805912 19203 PICATINNY ARSENAL
AN924-4C D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
AN924-4J 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN924J4 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
AS5178-J04 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5178J04 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE AS5178J04 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC

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Technical Data | NSN 5310-00-550-3769

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.250 INCHES NOMINAL
WIDTH ACROSS FLATS 0.687 INCHES NOMINAL
BEARING SURFACE TYPE CHAMFERED
TEMP RATING NOT RATED
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN924-4C
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILF5509

Restrictions/Controls & Freight Information | NSN 5310-00-550-3769

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information