Product Details | HEXAGON SLOTTED SELF-LOCKING NUT

5310-00-226-3911 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: MS178264, MS17826-4, ESNAF12NE4717, F12NE4717048, F12NE4717-048, F12NTEC428, 10088013, 137242, 2134250, 21342-50, 5310-00-226-3911, 00-226-3911, 5310002263911, 002263911

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-226-3911

Drawings & Photos | NSN 5310-00-226-3911


Demand History | NSN 5310-00-226-3911

Part Number Request Date QTY Origin
MS178264 2022-09-265 600 United States
MS178264 2022-04-118 13 US
MS178264 2020-08-230 50 MY
MS178264 2020-06-170 10 PH
MS178264 2020-04-113 90 US
MS178264 2020-01-06 50 United States
MS17826-4 2019-05-136 20 United States
MS17826-4 2019-02-42 15 Lebanon
5310-00-226-3911 2018-01-01 32309 DIBBS
5310-00-226-3911 2017-07-208 9000 US
5310-00-226-3911 2017-07-187 55886 DIBBS
5310-00-226-3911 2017-06-171 29404 DIBBS
MS178264 2017-03-89 10 Korea
5310-00-226-3911 2016-11-312 13204 DIBBS
5310-00-226-3911 2016-08-214 18737 DIBBS
5310-00-226-3911 2016-06-165 22425 DIBBS
5310-00-226-3911 2016-05-133 9090 DIBBS
5310-00-226-3911 2016-03-67 26943 DIBBS
5310-00-226-3911 2015-03-88 31923 DIBBS
MS178264 2014-09-252 85 United States
MS178264 2014-08-225 1 Thailand
5310-00-226-3911 2014-07-190 15201 DIBBS
MS178264 2014-05-127 10 EC
MS178264 2014-01-27 7 US
MS17826-4 2014-01-15 3 CN
MS178264 2013-09-261 7 United States
5310-00-226-3911 2012-02-46 1 United States
MS178264 2011-08-237 20 United States
MS178264 2010-10-292 2 EC
MS178264 2009-09-265 500 Netherlands
MS178264 2009-03-77 1 Canada
MS178264 2009-02-50 100 China
MS178264 2008-12-364 10 US
MS178264 2008-03-86 100 Singapore
5310-00-226-3911 2007-03-87 220 Canada
5310-00-226-3911 2007-01-24 500 ZA

Cross Reference | NSN 5310-00-226-3911

Part Number Cage Code Manufacturer
137242 U1607 TRIUMPH CONTROLS - UK, LTD. DIV TRIUMPH CONTROLS UK LTD
21342-50 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
ESNAF12NE4717 K5673 SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
F12NE4717-048 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
F12NE4717-048 72962 HARVARD INDUSTRIES INC
F12NTEC428 27687 GREER STOP NUT INC.
MS17826-4 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-00-226-3911

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
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 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.430 INCHES MINIMUM AND 0.439 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 MS17826-4

Restrictions/Controls & Freight Information | NSN 5310-00-226-3911

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 5310-00-226-3911

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
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.
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
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