Product Details | HEXAGON PLAIN NUT

5310-00-208-5258 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: 190784, 5310-00-208-5258, 00-208-5258, 5310002085258, 002085258

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-208-5258

Drawings & Photos | NSN 5310-00-208-5258


Demand History | NSN 5310-00-208-5258

Part Number Request Date QTY Origin
5310-00-208-5258 2015-03-78 21 DIBBS
5310-00-208-5258 2013-06-172 12 DIBBS
190784 2008-05-126 20100 US
5310-00-208-5258 2008-04-119 20100 US

Cross Reference | NSN 5310-00-208-5258

Part Number Cage Code Manufacturer
190784 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
190784 24617 GENERAL MOTORS CORP
190784 D5589 FEINMECHANISCHE WERKE MAINZ GMBH
190784 D9893 LIEBHERR-AEROSPACE LINDENBERG GMBH
5310002085258 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES

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Technical Data | NSN 5310-00-208-5258

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.250 INCHES NOMINAL
WIDTH ACROSS FLATS 0.688 INCHES NOMINAL
BEARING SURFACE TYPE CHAMFERED
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-00-208-5258

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information