Product Details | SOCKET HEAD CAP SCREW

5305-01-251-9731 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: 12597043, 3602011888, 5305PL0915945 , 87XD1051, 5305-01-251-9731, 01-251-9731, 5305012519731, 012519731

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 27 MAR 1987 01-251-9731

Drawings & Photos | NSN 5305-01-251-9731


Demand History | NSN 5305-01-251-9731

Part Number Request Date QTY Origin
5305-01-251-9731 2025-05-133 1195 DIBBS
5305-01-251-9731 2024-10-275 100 US
5305-01-251-9731 2024-09-256 190 United States
5305-01-251-9731 2024-09-253 1226 DIBBS
5305-01-251-9731 2024-09-250 190 United States
5305-01-251-9731 2024-08-243 200 United States
5305-01-251-9731 2024-05-128 2882 DIBBS
5305-01-251-9731 2018-09-250 10 US
5305-01-251-9731 2017-06-165 10 United States
5305-01-251-9731 2013-07-191 11187 DIBBS
12597043 2010-09-252 6000 US
5305-01-251-9731 2010-06-160 15001 DIBBS
3602011888 2010-06-152 15000 United States
5305-01-251-9731 2010-05-148 15001 DIBBS
5305-01-251-9731 2010-05-124 3825 DIBBS
5305-01-251-9731 2009-11-308 3581 DIBBS

Cross Reference | NSN 5305-01-251-9731

Part Number Cage Code Manufacturer
12597043 19200 US ARMY ARDEC RDECOM
3602011888 3S679 FN AMERICA, LLC
3602011888 B0897 FN HERSTAL SA
5305PL0915945 9009H INSPEKTORAT WSPARCIA SIL ZBROJNYCH
87XD1051 3S679 FN AMERICA, LLC

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Technical Data | NSN 5305-01-251-9731

Characteristic Specifications
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 36
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 13.2 MILLIMETERS NOMINAL
FASTENER LENGTH 14.6 MILLIMETERS NOMINAL
MATERIAL STEEL COMP 1055 OR STEEL COMP 1060 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM-A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A568(S1 0.15-0.30%),GRAIN SIZE 5-7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PHOSPHATE MANGANESE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C57 WATERTIGHT
HEAD DIAMETER 7.44 MILLIMETERS NOMINAL
HEAD HEIGHT 4.0 MILLIMETERS NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 4.06 MILLIMETERS NOMINAL
LOCKING FEATURE SLOTTED SIDES OF HEAD
SPECIAL FEATURES MATERIAL IS COLD ROLLED,CARBON,KILLED,AND SPHEROIDIZED; HEAT TREATMENT=HARDEN AT 840 DEG. C. IN A CARBONITRIDING ATMOSPHERE FOR 40 MIN.,OIL QUENCH,TEMPER 1 HR. MIN. TO RH A72-75

Restrictions/Controls & Freight Information | NSN 5305-01-251-9731

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 146230 GUNS MACHINE/PARTS NOI SM ARMS AMMO
Less than car load rating W Rating Variable
Less than truck load rating G 125.0
Water commodity Code 682 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
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 5305-01-251-9731

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 CodeH Individual and Crew-Served Weapons
Weapons Systems/End Item or Homogeneous GroupHCMachine Gun, 7.62mm, M240
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 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
M
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.
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 CodeNFIREARMS PIECE PARTS AND NONLETHAL FIREARMS
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code2Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
M
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
M
EA : Each