Product Details | HEXAGON SLOTTED SELF-LOCKING NUT

5310-00-505-2721 A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes NUT (1), SELF-LOCKING, CASTELLATED, OCTAGON.

Part Alternates: MS1782512, MS17825-12, F12NE4753126, F12NE4753-126, F12NEC1216, F12NEC-1216, 7F12NEC1216, 5310-00-505-2721, 00-505-2721, 5310005052721, 005052721

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 20 JUL 1974 00-505-2721

Drawings & Photos | NSN 5310-00-505-2721


Demand History | NSN 5310-00-505-2721

Part Number Request Date QTY Origin
5310-00-505-2721 2018-05-126 1200 DIBBS
5310-00-505-2721 2018-04-116 153 DIBBS
5310-00-505-2721 2018-02-44 180 DIBBS
5310-00-505-2721 2018-02-36 180 DIBBS
5310-00-505-2721 2017-11-333 153 DIBBS
5310-00-505-2721 2017-08-214 52 DIBBS
5310-00-505-2721 2017-07-206 52 DIBBS
5310-00-505-2721 2017-06-156 551 DIBBS
5310-00-505-2721 2017-04-115 206 DIBBS
5310-00-505-2721 2017-03-86 42 DIBBS
MS1782512 2012-01-04 2 Argentina
5310-00-505-2721 2011-09-259 744 DIBBS
MS1782512 2011-04-117 10 United States
MS1782512 2011-03-77 10 BR
MS1782512 2010-12-344 3 United States
MS1782512 2010-10-301 2 US
MS1782512 2010-10-298 12 Netherlands
MS1782512 2010-10-295 12 Netherlands
MS1782512 2010-10-285 2 US
5310-00-505-2721 2010-04-99 1 Turkey
5310-00-505-2721 2009-09-257 786 DIBBS

Cross Reference | NSN 5310-00-505-2721

Part Number Cage Code Manufacturer
7F12NEC1216 27678 WALTER DANKAS & CO.
F12NE4753-126 72962 HARVARD INDUSTRIES INC
F12NEC-1216 72962 HARVARD INDUSTRIES INC
MS17825-12 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-00-505-2721

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.750 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYAMIDE LOCKING INSERT STEEL NUT
SURFACE TREATMENT CADMIUM AND CARBON OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
HARDNESS RATING NOT RATED
NUT STYLE A17 SLOTTED, HEXAGON
NUT HEIGHT 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
WIDTH ACROSS FLATS 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM
BEARING SURFACE TYPE WASHER FACED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS17825-12

Restrictions/Controls & Freight Information | NSN 5310-00-505-2721

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 5310-00-505-2721

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
1
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
1
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
1
EA : Each