Product Details | HEXAGON SELF-LOCKING NUT

5310-00-685-2088 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: M0200532, M020053-2, 10121595 , 2037638PC2, 3450054, 345005-4, 5255149024, 525-514-9024, 59FM256, 642AS06521, 642AS0652-1, 70LH166026, 70LH1660-26, 99011313, 990113-13, 5310-00-685-2088, 00-685-2088, 5310006852088, 006852088

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-685-2088

Drawings & Photos | NSN 5310-00-685-2088


Demand History | NSN 5310-00-685-2088

Part Number Request Date QTY Origin
525-514-9024 2025-09-259 179 DIBBS
59FM256 2025-09-259 179 DIBBS
525-514-9024 2024-09-260 133 DIBBS
59FM256 2024-09-260 133 DIBBS
525-514-9024 2023-10-289 133 DIBBS
59FM256 2023-10-289 133 DIBBS

Cross Reference | NSN 5310-00-685-2088

Part Number Cage Code Manufacturer
2037638PC2 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
345005-4 89305 SIMMONDS PRECISION PRODUCTS, INC. DBA GOODRICH SENSORS AND INTERGRATED
525-514-9024 99193 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
525-514-9024 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
59FM256 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
642AS0652-1 30003 NAVAL AIR SYSTEMS COMMAND
70LH1660-26 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
70LH1660-26 72962 HARVARD INDUSTRIES INC
990113-13 00752 EDO CORPORATION DIV EDO CORPORATION AP&T
M020053-2 05239 RADIAPHONE CO INC

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Technical Data | NSN 5310-00-685-2088

Characteristic Specifications
THREAD SERIES UNJC
NOMINAL THREAD SIZE 0.086 INCHES
THREAD QUANTITY PER INCH 56
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 302 OR STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT SILVER OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.102 INCHES MINIMUM AND 0.107 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.150 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
TEMP RATING 800.0 DEG FAHRENHEIT NOMINAL
III PRECIOUS MATERIAL SILVER

Restrictions/Controls & Freight Information | NSN 5310-00-685-2088

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:SItem contains silver
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 713 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 5310-00-685-2088

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
ReparabilityAItem requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. Refer to appropriate manuals or directives for specific instructions.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with 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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with 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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each