Product Details | DOUBLE HEXAGON SELF-LOCKING NUT

5310-00-055-2350 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: SS508606, SS5086-06, EWSN266, EWSN26-6, EWSN26AG06, EWSN26AG-06 , LH6521064, LH6521-064, 09013801, 090138-01, 5310-00-055-2350, 00-055-2350, 5310000552350, 000552350

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JUN 1967 00-055-2350

Drawings & Photos | NSN 5310-00-055-2350


Demand History | NSN 5310-00-055-2350

Part Number Request Date QTY Origin
5310-00-055-2350 2024-09-260 120 United States
5310-00-055-2350 2023-10-303 152 US
SS508606 2023-10-297 152 US
SS508606 2022-05-123 2 US
5310-00-055-2350 2022-02-46 8 United States
5310-00-055-2350 2020-02-48 250 Singapore
SS508606 2019-06-179 1 Turkey
5310-00-055-2350 2019-05-150 100 Singapore
5310-00-055-2350 2019-05-150 100 Singapore
5310-00-055-2350 2019-02-32 20 United States
5310-00-055-2350 2019-01-27 10 United States
EWSN266 2019-01-23 36 us
5310-00-055-2350 2018-07-196 7964 DIBBS
EWSN266 2018-04-102 88 United States
EWSN266 2017-12-355 44 United States
EWSN266 2017-09-264 100 United States
EWSN266 2016-09-266 6 United States
EWSN266 2015-12-335 3 US
SS508606 2015-11-330 220 Canada
5310-00-055-2350 2015-08-237 200 US
SS5086-06 2014-10-296 10 Canada
SS508606 2013-06-155 200 Canada
5310-00-055-2350 2013-04-93 1998 DIBBS
5310-00-055-2350 2013-04-93 2689 DIBBS
SS508606 2013-03-77 100 Canada
5310-00-055-2350 2012-12-342 1011 DIBBS
5310-00-055-2350 2012-07-201 50 Greece
5310-00-055-2350 2011-08-214 3813 DIBBS
SS508606 2011-06-180 500 US
SS508606 2009-12-365 110 Turkey
SS508606 2007-11-323 16 Philippines

Cross Reference | NSN 5310-00-055-2350

Part Number Cage Code Manufacturer
090138-01 89305 SIMMONDS PRECISION PRODUCTS, INC. DBA GOODRICH SENSORS AND INTERGRATED
EWSN26-6 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
EWSN26AG-06 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
LH6521-064 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
LH6521-064 57983 GREER INDUSTRIES, INC.
LH6521-064 62554 ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV
LH6521-064 72962 HARVARD INDUSTRIES INC
SS5086-06 27238 BRISTOL INDUSTRIES
SS5086-06 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-00-055-2350

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 8630 OR STEEL COMP 4037 OR STEEL COMP 601 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6304 ASSN STD 3RD MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
NUT STYLE A16 DOUBLE HEXAGON
NUT HEIGHT 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
TEMP RATING 500.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 56878
DESIGN CONTROL REFERENCE EWSN26-6

Restrictions/Controls & Freight Information | NSN 5310-00-055-2350

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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-00-055-2350

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.
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
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