Product Details | HEXAGON PLAIN NUT

5310-00-261-2612 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: 3B1023, 5310-00-261-2612, 00-261-2612, 5310002612612, 002612612

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-261-2612

Drawings & Photos | NSN 5310-00-261-2612


Cross Reference | NSN 5310-00-261-2612

Part Number Cage Code Manufacturer
3B1023 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 5310-00-261-2612

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.625 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING 42.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
WIDTH ACROSS FLATS 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-00-261-2612

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information