Product Details | DOUBLE HEXAGON SELF-LOCKING NUT

5310-00-031-1046 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: EWSN26M7, 5310-00-031-1046, 00-031-1046, 5310000311046, 000311046

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 26 OCT 1972 00-031-1046

Drawings & Photos | NSN 5310-00-031-1046


Demand History | NSN 5310-00-031-1046

Part Number Request Date QTY Origin
EWSN26M7 2022-05-126 62 DIBBS
EWSN26M7 2022-04-95 62 DIBBS
EWSN26M7 2021-08-220 8 DIBBS
5310-00-031-1046 2010-04-111 79 DIBBS
5310-00-031-1046 2008-11-317 138 DIBBS
5310-00-031-1046 2008-10-283 15 DIBBS
5310-00-031-1046 2008-06-155 71 DIBBS

Cross Reference | NSN 5310-00-031-1046

Part Number Cage Code Manufacturer
EWSN26M7 50394 SPS TECHNOLOGIES INC UNBRAKO DIV
EWSN26M7 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION

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Technical Data | NSN 5310-00-031-1046

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 8630 OR STEEL COMP 601 OR STEEL COMP 8740 OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6304 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6485 ASSN STD 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 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 0.373 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE ANY ACCEPTABLE NUT
LUBRICATION DRY FILM LUBRICANT
TEMP RATING 450.0 DEG FAHRENHEIT NOMINAL
III BEARING SURFACE FINISH 125.0 MICROINCHES
MANUFACTURERS CODE 50394
DESIGN CONTROL REFERENCE EWSN26M7

Restrictions/Controls & Freight Information | NSN 5310-00-031-1046

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 5310-00-031-1046

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 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
H
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
H
EA : Each