Product Details | HEXAGON PLAIN NUT

5310-00-021-8565 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: BB4115, S2327, X4-11, Y11-6, FFB571TYPEA, GB26432A2, Q1905, P60, 1039, 1249S, 2006, 218565, 56514611, 7171A3, 743578N, 7435-78N, Y116, X411, 5310-00-021-8565, 00-021-8565, 5310000218565, 000218565

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1961 00-021-8565

Drawings & Photos | NSN 5310-00-021-8565


Demand History | NSN 5310-00-021-8565

Part Number Request Date QTY Origin
P60 2023-01-18 10 Saudi Arabia
P60 2023-01-18 6 Saudi Arabia
P60 2022-10-301 6 Saudi Arabia
P60 2022-10-301 10 Saudi Arabia
P60 2022-10-294 6 Saudi Arabia
P60 2022-10-294 10 Saudi Arabia
P60 2022-08-228 6 Saudi Arabia

Cross Reference | NSN 5310-00-021-8565

Part Number Cage Code Manufacturer
1039 56721 PREMIER CENTRAL TRUCK BODY
1249S 80328 DORSEY TRAILERS INC
2006 72970 EMPIRE ELECTRIC BRAKE CO
218565 24617 GENERAL MOTORS CORP
218565 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
56514611 23705 FRUEHAUF CORP
7171A3 44950 ONEIDA LTD SILVERSMITHS
7171A3 52793 SAGINAW PRODUCTS CORPORATION DBA CIGNYS
7435-78N 52793 SAGINAW PRODUCTS CORPORATION DBA CIGNYS
BB4115 56442 DIAMOND REO TRUCK CO
FFB571TYPEA 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
GB26432A2 23040 FORD MOTOR CO FORD PARTS AND SERVICE DIV
GB26432A2 57526 FORD MOTOR CO
P60 22888 FMC CORP
P60 80212 BAE SYSTEMS LAND & ARMAMENTS L.P.
Q1905 29930 INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV
S2327 64161 WEAVER DIV OF DURA CORP
X4-11 15586 CUSHMAN INC A RANSOM CO
Y11-6 03990 INGERSOLL-RAND CO
Y11-6 4P412 INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND

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Technical Data | NSN 5310-00-021-8565

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
TEMP RATING NOT RATED
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFB571TYPEA

Restrictions/Controls & Freight Information | NSN 5310-00-021-8565

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
NMF Description 093470 BOLTS/NUTS I/S
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 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

Management | NSN 5310-00-021-8565

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative