Product Details | HEXAGON PLAIN NUT

5310-01-257-6935 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: MS3569196, MS35691-96, 5310-01-257-6935, 01-257-6935, 5310012576935, 012576935

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 23 JUN 1987 01-257-6935

Drawings & Photos | NSN 5310-01-257-6935


Demand History | NSN 5310-01-257-6935

Part Number Request Date QTY Origin
5310-01-257-6935 2024-06-177 1 United States
5310-01-257-6935 2024-06-170 1 United States
5310-01-257-6935 2022-10-293 100 United States

Cross Reference | NSN 5310-01-257-6935

Part Number Cage Code Manufacturer
MS35691-96 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-01-257-6935

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 1.250 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL COPPER ALLOY OVERALL
SURFACE TREATMENT OXIDE FILM OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.687 INCHES MINIMUM AND 0.751 INCHES MAXIMUM
WIDTH ACROSS FLATS 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
TEMP RATING NOT RATED
SPECIFICATION/STANDARD DATA 96906-MS35691 GOVERNMENT SPECIFICATION
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS35691-96

Restrictions/Controls & Freight Information | NSN 5310-01-257-6935

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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