Product Details | HEXAGON PLAIN NUT

5310-00-740-2791 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: 6077304, 60-77304, 7402791, 5310-00-740-2791, 00-740-2791, 5310007402791, 007402791

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-740-2791

Drawings & Photos | NSN 5310-00-740-2791


Cross Reference | NSN 5310-00-740-2791

Part Number Cage Code Manufacturer
60-77304 59501 UNISON INDUSTRIES, LLC
60-77304 77820 AMPHENOL CORPORATION DBA AMPHENOL AEROSPACE INDUSTRIAL
7402791 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 5310-00-740-2791

Technical Data | NSN 5310-00-740-2791

Characteristic Specifications
THREAD SERIES UNEF
NOMINAL THREAD SIZE 0.688 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 1212 OR STEEL COMP 1117 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MS 5010 ASSN STD SINGLE MATERIAL RESPONSE OR MS5022 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ZINC OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
COUNTERSINK ANGLE 90.0 DEGREES NOMINAL NUT
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-00-740-2791

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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable