Product Details | DOUBLE HEXAGON SELF-LOCKING NUT

5310-00-866-5335 A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

Part Alternates: H23-8, SS508908, SS5089-08, FN22820, FN22-820, H238, 3M2218, 3M221-8, 5310-00-866-5335, 00-866-5335, 5310008665335, 008665335

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-866-5335

Drawings & Photos | NSN 5310-00-866-5335


Demand History | NSN 5310-00-866-5335

Part Number Request Date QTY Origin
FN22820 2023-05-151 1000 United States
FN22820 2023-05-151 2500 United States
3M221-8 2020-05-139 2490 DIBBS
H23-8 2020-05-139 2490 DIBBS
SS5089-08 2020-05-139 2490 DIBBS
3M221-8 2020-05-131 2490 DIBBS
H23-8 2020-05-131 2490 DIBBS
SS5089-08 2020-05-131 2490 DIBBS
3M221-8 2020-04-106 2163 DIBBS
H23-8 2020-04-106 2163 DIBBS
SS5089-08 2020-04-106 2163 DIBBS
3M221-8 2020-04-98 2163 DIBBS
H23-8 2020-04-98 2163 DIBBS
SS5089-08 2020-04-98 2163 DIBBS
5310-00-866-5335 2020-03-72 1 DIBBS-RFPs
3M221-8 2020-03-65 2554 DIBBS
H23-8 2020-03-65 2554 DIBBS
SS5089-08 2020-03-65 2554 DIBBS
3M221-8 2020-02-57 2554 DIBBS
H23-8 2020-02-57 2554 DIBBS
SS5089-08 2020-02-57 2554 DIBBS
3M221-8 2020-02-48 80 DIBBS
H23-8 2020-02-48 80 DIBBS
SS5089-08 2020-02-48 80 DIBBS
3M221-8 2020-01-27 80 DIBBS
H23-8 2020-01-27 80 DIBBS
SS5089-08 2020-01-27 80 DIBBS
3M221-8 2020-01-02 1191 DIBBS
H23-8 2020-01-02 1191 DIBBS
SS5089-08 2020-01-02 1191 DIBBS
3M221-8 2019-12-343 947 DIBBS
H23-8 2019-12-343 947 DIBBS
SS5089-08 2019-12-343 947 DIBBS
3M221-8 2019-10-296 397 DIBBS
H23-8 2019-10-296 397 DIBBS
SS5089-08 2019-10-296 397 DIBBS
5310-00-866-5335 2017-10-297 424 DIBBS
5310-00-866-5335 2017-10-296 424 DIBBS
5310-00-866-5335 2017-10-278 874 DIBBS
FN22820 2016-03-67 300 United States
FN22820 2016-03-67 600 United States
FN22820 2016-03-67 1800 United States
5310-00-866-5335 2014-02-58 3905 DIBBS
FN22-820 2013-08-229 18 Canada
5310-00-866-5335 2012-10-293 8326 DIBBS
FN22820 2008-02-42 32 US
FN22820 2007-03-60 100 United Kingdom
FN22820 2007-01-30 200 United Kingdom

Cross Reference | NSN 5310-00-866-5335

Part Number Cage Code Manufacturer
3M221-8 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
3M221-8 76301 BOEING COMPANY, THE DBA BOEING
FN22-820 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
H23-8 15653 ALCOA GLOBAL FASTENERS, INC.
SS5089-08 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-00-866-5335

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A16 DOUBLE HEXAGON
NUT HEIGHT 0.578 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
BEARING SURFACE TYPE FLAT
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE 109.5 DEGREES MINIMUM AND 110.5 DEGREES MAXIMUM NUT
TEMP RATING 500.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 76301
DESIGN CONTROL REFERENCE 3M221-8

Restrictions/Controls & Freight Information | NSN 5310-00-866-5335

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 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 5310-00-866-5335

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
M
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
M
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
M
EA : Each