Product Details | HEXAGON SLOTTED SELF-LOCKING NUT

5310-00-961-8391 A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes NUT (1), SELF-LOCKING, CASTELLATED, OCTAGON.

Part Alternates: MS178256, MS17825-6 , CIPRDMS178256, CIPRDMS17825-6 , F12NE4753064, F12NE4753-064, F12NEC624, PCR66, 5310-00-961-8391, 00-961-8391, 5310009618391, 009618391

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-961-8391

Drawings & Photos | NSN 5310-00-961-8391


Demand History | NSN 5310-00-961-8391

Part Number Request Date QTY Origin
MS178256 2024-11-319 4 US
MS178256 2024-11-318 1 TR
MS178256 2024-10-288 12 US
MS178256 2024-10-288 25 US
MS178256 2024-10-288 50 US
MS178256 2024-10-288 100 US
MS178256 2024-10-278 120 US
MS178256 2024-07-183 100 CN
5310-00-961-8391 2024-05-141 100 CN
MS178256 2024-03-74 56 United States
MS178256 2024-03-71 6 US
MS178256 2024-03-71 6 US
MS178256 2024-03-64 12 Germany
MS178256 2023-08-230 100 US
MS178256 2023-07-205 1 US
5310-00-961-8391 2023-06-173 50 Saudi Arabia
MS178256 2022-10-285 6000 IN
MS178256 2022-04-108 40 United States
5310-00-961-8391 2021-12-348 500 US
5310-00-961-8391 2018-12-364 2 US
MS178256 2018-08-215 2 US
5310-00-961-8391 2018-06-179 11000 DIBBS
5310-00-961-8391 2018-06-171 11000 DIBBS
5310-00-961-8391 2017-09-260 10869 DIBBS
5310-00-961-8391 2017-08-239 3231 DIBBS
MS178256 2017-07-209 5000 China
5310-00-961-8391 2015-05-130 5718 DIBBS
MS17825-6 2014-11-308 5000 United States
5310-00-961-8391 2014-06-180 4305 DIBBS
5310-00-961-8391 2014-04-103 411 DIBBS
MS17825-6 2014-03-78 46 United States
MS17825-6 2014-03-71 23 United States
MS178256 2013-11-308 35 US
MS178256 2013-08-220 30 LK
MS17825-6 2013-07-190 20 HK
5310-00-961-8391 2012-08-216 23755 DIBBS
5310-00-961-8391 2011-08-230 8 MANUAL
MS17825-6 2011-08-230 8 United Kingdom
MS178256 2011-04-117 30 United States
MS178256 2011-03-77 40 BR
5310-00-961-8391 2011-01-25 9894 DIBBS
5310-00-961-8391 2010-10-301 8 US
5310-00-961-8391 2010-10-285 8 US
MS178256 2010-01-20 2 MX
5310-00-961-8391 2009-08-225 19800 DIBBS
MS178256 2009-07-183 16 Philippines
MS178256 2009-06-156 4 United States
MS178256 2008-10-296 2 Malaysia
MS178256 2008-10-293 2 Malaysia
5310-00-961-8391 2008-08-220 23058 DIBBS

Cross Reference | NSN 5310-00-961-8391

Part Number Cage Code Manufacturer
CIPRDMS17825-6 14153 DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER
F12NE4753-064 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
F12NE4753-064 72962 HARVARD INDUSTRIES INC
F12NEC624 27687 GREER STOP NUT INC.
MS17825-6 27687 GREER STOP NUT INC.
MS17825-6 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
PCR66 62554 ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV

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Technical Data | NSN 5310-00-961-8391

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYAMIDE LOCKING INSERT STEEL NUT
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
HARDNESS RATING NOT RATED
NUT STYLE A17 SLOTTED, HEXAGON
NUT HEIGHT 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
BEARING SURFACE TYPE WASHER FACED
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS17825-6

Restrictions/Controls & Freight Information | NSN 5310-00-961-8391

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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 5310-00-961-8391

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 CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBXOH-58D Army Helicopter Improvement Program (AHIP)
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
1
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.
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
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
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
1
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
1
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
1
EA : Each