Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-126-2711 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: BH7528, BH752-8, H506098, H50609-8, SLN1878, SLN187-8 , ST3M7528, ST3M752-8, LH120388, LH12038-8, 10109447, 786868, 78686-8 , 5310-01-126-2711, 01-126-2711, 5310011262711, 011262711

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 09 FEB 1982 01-126-2711

Drawings & Photos | NSN 5310-01-126-2711


Demand History | NSN 5310-01-126-2711

Part Number Request Date QTY Origin
78686-8 2026-01-11 300 DIBBS
BH752-8 2026-01-11 300 DIBBS
H50609-8 2026-01-11 300 DIBBS
SLN187-8 2026-01-11 300 DIBBS
78686-8 2025-09-257 301 DIBBS
BH752-8 2025-09-257 301 DIBBS
H50609-8 2025-09-257 301 DIBBS
SLN187-8 2025-09-257 301 DIBBS
78686-8 2025-09-254 230 DIBBS
BH752-8 2025-09-254 230 DIBBS
H50609-8 2025-09-254 230 DIBBS
SLN187-8 2025-09-254 230 DIBBS
ST3M7528 2025-06-156 4 us
78686-8 2025-03-82 50 DIBBS
BH752-8 2025-03-82 50 DIBBS
H50609-8 2025-03-82 50 DIBBS
SLN187-8 2025-03-82 50 DIBBS
78686-8 2024-12-347 112 DIBBS
BH752-8 2024-12-347 112 DIBBS
H50609-8 2024-12-347 112 DIBBS
SLN187-8 2024-12-347 112 DIBBS
ST3M7528 2024-08-234 2 us
78686-8 2024-08-231 170 DIBBS
BH752-8 2024-08-231 170 DIBBS
H50609-8 2024-08-231 170 DIBBS
SLN187-8 2024-08-231 170 DIBBS
78686-8 2024-05-140 124 DIBBS
BH752-8 2024-05-140 124 DIBBS
H50609-8 2024-05-140 124 DIBBS
SLN187-8 2024-05-140 124 DIBBS
78686-8 2024-02-46 70 DIBBS
BH752-8 2024-02-46 70 DIBBS
H50609-8 2024-02-46 70 DIBBS
SLN187-8 2024-02-46 70 DIBBS
78686-8 2023-11-323 24 DIBBS
BH752-8 2023-11-323 24 DIBBS
H50609-8 2023-11-323 24 DIBBS
SLN187-8 2023-11-323 24 DIBBS
78686-8 2022-10-289 79 DIBBS
BH752-8 2022-10-289 79 DIBBS
H50609-8 2022-10-289 79 DIBBS
SLN187-8 2022-10-289 79 DIBBS
78686-8 2022-06-173 53 DIBBS
BH752-8 2022-06-173 53 DIBBS
H50609-8 2022-06-173 53 DIBBS
SLN187-8 2022-06-173 53 DIBBS
78686-8 2022-02-48 257 DIBBS
BH752-8 2022-02-48 257 DIBBS
H50609-8 2022-02-48 257 DIBBS
SLN187-8 2022-02-48 257 DIBBS
78686-8 2021-07-196 81 DIBBS
BH752-8 2021-07-196 81 DIBBS
H50609-8 2021-07-196 81 DIBBS
SLN187-8 2021-07-196 81 DIBBS
78686-8 2021-02-46 125 DIBBS
BH752-8 2021-02-46 125 DIBBS
H50609-8 2021-02-46 125 DIBBS
SLN187-8 2021-02-46 125 DIBBS
5310-01-126-2711 2020-05-122 1 DIBBS-RFPs
5310-01-126-2711 2013-10-291 1 DIBBS-RFPs
5310-01-126-2711 2013-09-246 1 DIBBS-RFPs
5310-01-126-2711 2009-04-105 374 DIBBS
5310-01-126-2711 2008-11-316 235 DIBBS
5310-01-126-2711 2008-10-282 215 DIBBS
5310-01-126-2711 2008-06-164 30 US

Cross Reference | NSN 5310-01-126-2711

Part Number Cage Code Manufacturer
78686-8 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
BH752-8 27238 BRISTOL INDUSTRIES
H50609-8 15653 ALCOA GLOBAL FASTENERS, INC.
LH12038-8 72962 HARVARD INDUSTRIES INC
ST3M752-8 15653 ALCOA GLOBAL FASTENERS, INC.
ST3M752-8 27238 BRISTOL INDUSTRIES
ST3M752-8 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
ST3M752-8 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-01-126-2711

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL NICKEL ALLOY 718 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 0.783 INCHES MINIMUM
OVERALL HEIGHT 0.500 INCHES MAXIMUM
WASHER THICKNESS 0.095 INCHES MAXIMUM
WIDTH ACROSS FLATS ANY ACCEPTABLE
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION DRY FILM LUBRICANT
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-126-2711

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:AItem does not contain precious metal
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 139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 713 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 5310-01-126-2711

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