Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-123-2499 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: GYN1810, 5310-00-123-2499, 00-123-2499, 5310001232499, 001232499

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 06 NOV 1968 00-123-2499

Drawings & Photos | NSN 5310-00-123-2499


Demand History | NSN 5310-00-123-2499

Part Number Request Date QTY Origin
5310-00-123-2499 2025-12-344 1372 US
GYN1810 2025-10-292 1372 DIBBS
GYN1810 2025-09-253 8017 DIBBS
GYN1810 2025-08-238 8017 DIBBS
GYN1810 2025-07-183 6140 DIBBS
GYN1810 2025-06-175 6140 DIBBS
GYN1810 2025-04-111 5076 DIBBS
GYN1810 2025-01-24 1064 DIBBS
GYN1810 2025-01-16 1064 DIBBS
GYN1810 2024-10-303 1817 DIBBS
GYN1810 2024-10-291 1817 DIBBS
GYN1810 2024-10-275 1700 DIBBS
GYN1810 2024-09-267 1700 DIBBS
GYN1810 2024-07-208 1453 DIBBS
GYN1810 2024-07-200 1453 DIBBS
GYN1810 2024-04-105 3664 DIBBS
5310-00-123-2499 2023-11-307 50 US
GYN1810 2023-10-304 2991 DIBBS
GYN1810 2023-10-296 2991 DIBBS
GYN1810 2022-11-324 957 DIBBS
GYN1810 2022-08-229 48 DIBBS
5310-00-123-2499 2020-06-175 100 OM
5310-00-123-2499 2018-01-31 43 us
GYN1810 2018-01-16 109 us
5310-00-123-2499 2017-02-37 1026 DIBBS
5310-00-123-2499 2016-09-258 1 DIBBS-RFPs
5310-00-123-2499 2016-06-179 1362 DIBBS
5310-00-123-2499 2016-06-171 1362 DIBBS
5310-00-123-2499 2016-06-158 2101 DIBBS
5310-00-123-2499 2016-04-103 753 DIBBS
5310-00-123-2499 2016-04-95 753 DIBBS
5310-00-123-2499 2015-12-352 2101 DIBBS
5310-00-123-2499 2015-12-341 2101 DIBBS
5310-00-123-2499 2015-11-312 435 DIBBS
5310-00-123-2499 2015-10-278 707 DIBBS
5310-00-123-2499 2015-07-193 1624 DIBBS
5310-00-123-2499 2014-12-350 22 JP
5310-00-123-2499 2014-12-348 4510 DIBBS
5310-00-123-2499 2014-10-279 2388 DIBBS
5310-00-123-2499 2013-11-332 3703 DIBBS
5310-00-123-2499 2012-12-345 5473 DIBBS
5310-00-123-2499 2012-10-305 4500 DIBBS
5310-00-123-2499 2012-09-261 4500 DIBBS
5310-00-123-2499 2012-07-184 3089 DIBBS
5310-00-123-2499 2012-06-153 1656 DIBBS
5310-00-123-2499 2012-04-104 2128 DIBBS
5310-00-123-2499 2011-11-305 2043 DIBBS
5310-00-123-2499 2011-10-299 150 US
5310-00-123-2499 2011-10-290 2043 DIBBS
5310-00-123-2499 2010-10-294 612 DIBBS
5310-00-123-2499 2010-10-292 1500 DIBBS
5310-00-123-2499 2010-09-258 293 DIBBS
5310-00-123-2499 2010-04-119 10 United States
GYN1810 2007-12-345 55 United States
5310-00-123-2499 2007-11-317 55 United States

Cross Reference | NSN 5310-00-123-2499

Part Number Cage Code Manufacturer
GYN1810 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
GYN1810 73842 GOODYEAR TIRE AND RUBBER CO THE

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Technical Data | NSN 5310-00-123-2499

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.625 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 1.050 INCHES NOMINAL
OVERALL HEIGHT 0.650 INCHES NOMINAL
WASHER THICKNESS 0.090 INCHES NOMINAL
WIDTH ACROSS FLATS 0.722 INCHES MINIMUM AND 0.783 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
TEMP RATING NOT RATED
MANUFACTURERS CODE 73842
DESIGN CONTROL REFERENCE GYN1810

Restrictions/Controls & Freight Information | NSN 5310-00-123-2499

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 KE Naval ICP
Philadelphia, PA 19111
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 5310-00-123-2499

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
A
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
A
EA : Each