Product Details | HEXAGON SELF-LOCKING NUT

5310-00-921-5123 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: A309804, SN616NTE70, SN-616-NTE-70, 65B9951, 79NTE066, 79NTE-066, 91716924, 9171692-4, 93604433, 5310-00-921-5123, 00-921-5123, 5310009215123, 009215123

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 18 MAR 1966 00-921-5123

Drawings & Photos | NSN 5310-00-921-5123


Demand History | NSN 5310-00-921-5123

Part Number Request Date QTY Origin
5310-00-921-5123 2025-07-189 82 United States
5310-00-921-5123 2023-06-157 6 Taiwan
79NTE-066 2023-03-85 321 DIBBS
SN-616-NTE-70 2023-03-85 321 DIBBS
79NTE-066 2022-08-222 14013 DIBBS
SN-616-NTE-70 2022-08-222 14013 DIBBS
5310-00-921-5123 2022-07-199 9 Taiwan
5310-00-921-5123 2022-05-130 9 MANUAL
79NTE-066 2022-04-101 15034 DIBBS
SN-616-NTE-70 2022-04-101 15034 DIBBS
79NTE-066 2022-03-89 15034 DIBBS
SN-616-NTE-70 2022-03-89 15034 DIBBS
79NTE-066 2021-10-286 1945 DIBBS
SN-616-NTE-70 2021-10-286 1945 DIBBS
79NTE-066 2021-09-269 1945 DIBBS
SN-616-NTE-70 2021-09-269 1945 DIBBS
5310-00-921-5123 2020-06-182 9 MANUAL
79NTE-066 2020-04-93 6731 DIBBS
SN-616-NTE-70 2020-04-93 6731 DIBBS
5310-00-921-5123 2017-08-240 5000 US
79NTE066 2014-04-97 200 United States
79NTE066 2013-01-02 100 US
5310-00-921-5123 2010-04-92 6053 DIBBS
5310-00-921-5123 2008-10-291 12650 DIBBS

Cross Reference | NSN 5310-00-921-5123

Part Number Cage Code Manufacturer
65B9951 18894 AIR ARMAMENT CENTER/ EN
79NTE-066 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
79NTE066 67687 INTERNATIONAL SAFETY DEVICES
79NTE066 72962 HARVARD INDUSTRIES INC
9171692-4 18876 U S ARMY AVIATION AND MISSILE COMMAND
93604433 11933 DUNHAM MFG CO INC
A309804 16603 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION
A309804 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
SN-616-NTE-70 08928 ABBOTT-INTERFAST CORP

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 5310-00-921-5123

Technical Data | NSN 5310-00-921-5123

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 16
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 0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
COUNTERSINK ANGLE ANY ACCEPTABLE NUT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
III END ITEM IDENTIFICATION W/S:MISSILE, AIR-TO-AIR, PHOENIX (AIM-54); OSPREY CLASS MHC; TARAWA CLASS LHA; TRUCK, FIRE/CRASH P15; AVENGER CLASS MCM; LVS POWER UNIT MK48 AND TRAILER FAMILY; GUIDED MISSILE, INTERCEPT; MISSILE, PATRIOT; HX UNIQUE

Restrictions/Controls & Freight Information | NSN 5310-00-921-5123

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 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 BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
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 5310-00-921-5123

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each