Product Details | HEXAGON SELF-LOCKING NUT

5310-00-727-5223 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: MS162281, MS16228-1, MS162284C, MS16228-4C, M2412944C, M24129-4-4C, MILN241294, MILN24129-4, T80049435, T8004943-5, 79NTU040, 79NU040, 298538P5, 5310-00-727-5223, 00-727-5223, 5310007275223, 007275223

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-727-5223

Drawings & Photos | NSN 5310-00-727-5223


Demand History | NSN 5310-00-727-5223

Part Number Request Date QTY Origin
MS162284C 2025-01-21 125 United States
MS162284C 2024-07-185 112 United States
MS162284C 2016-11-316 50 United States
MS162284C 2016-04-96 6 US
MS162284C 2016-04-96 52 US
MS162284C 2014-04-119 25 US
MS162284C 2014-01-20 56 United States
MS16228-1 2013-08-229 1208 Canada
MS162284C 2011-04-116 500 US
MS162284C 2011-02-49 30 US
MS162284C 2010-12-356 1 Italy
5310-00-727-5223 2010-12-354 6000 US
MS162284C 2010-07-193 30 US
MS162284C 2010-06-168 50 US
5310-00-727-5223 2010-06-165 20 US
5310-00-727-5223 2010-05-148 10 US
5310-00-727-5223 2009-12-344 36 Italy
MS162284C 2008-11-319 50 US
MS162284C 2008-05-151 250 US
MS162284C 2007-12-346 100 US

Cross Reference | NSN 5310-00-727-5223

Part Number Cage Code Manufacturer
298538P5 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
79NTU040 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
79NTU040 72962 HARVARD INDUSTRIES INC
79NU040 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
M24129-4-4C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILN24129-4 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS16228-1 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS16228-4C 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS16228-4C 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
T8004943-5 97993 GENERAL DYNAMICS DEFENSE SYSTEMS INC.
T8004943-5 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT

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Technical Data | NSN 5310-00-727-5223

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYAMIDE LOCKING INSERT STEEL CORROSION RESISTING NUT
SURFACE TREATMENT PASSIVATE NUT
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.489 INCHES MINIMUM AND 0.503 INCHES MAXIMUM
BEARING SURFACE TYPE ANY ACCEPTABLE
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILN24129-4
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M24129-4-4C

Restrictions/Controls & Freight Information | NSN 5310-00-727-5223

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: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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
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

Management | NSN 5310-00-727-5223

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each