NSN 5305-01-306-7873 91251A626, 01-306-7873, 013067873

Product Details | SOCKET HEAD CAP SCREW

5305-01-306-7873 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: 91251A626, 5305-01-306-7873, 01-306-7873, 5305013067873, 013067873

Hardware and Abrasives | Screws

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	30 AUG 1989	01-306-7873	16282 ( SCREW, CAP, SOCKET HEAD )

Drawings & Photos | NSN 5305-01-306-7873

Part Number	Request Date	QTY	Origin
91251A626	2025-11-310	1290	DIBBS
A0440240116K	2025-11-310	1290	DIBBS
91251A626	2025-11-307	1290	DIBBS
A0440240116K	2025-11-307	1290	DIBBS
91251A626	2025-10-299	1290	DIBBS
A0440240116K	2025-10-299	1290	DIBBS
5305-01-306-7873	2025-09-267	81250	US
91251A626	2025-09-265	1625	DIBBS
A0440240116K	2025-09-265	1625	DIBBS
91251A626	2025-09-260	1625	DIBBS
A0440240116K	2025-09-260	1625	DIBBS
91251A626	2025-09-252	1625	DIBBS
A0440240116K	2025-09-252	1625	DIBBS
91251A626	2025-08-232	5	DIBBS
A0440240116K	2025-08-232	5	DIBBS
91251A626	2025-08-230	2417	DIBBS
A0440240116K	2025-08-230	2417	DIBBS
91251A626	2025-07-183	1634	DIBBS
A0440240116K	2025-07-183	1634	DIBBS
91251A626	2025-06-175	1634	DIBBS
A0440240116K	2025-06-175	1634	DIBBS
91251A626	2025-05-148	2417	DIBBS
A0440240116K	2025-05-148	2417	DIBBS
91251A626	2025-05-140	2417	DIBBS
A0440240116K	2025-05-140	2417	DIBBS
91251A626	2025-02-49	2752	DIBBS
A0440240116K	2025-02-49	2752	DIBBS
91251A626	2025-02-41	2752	DIBBS
A0440240116K	2025-02-41	2752	DIBBS
5305-01-306-7873	2024-11-317	1584	US
91251A626	2024-11-312	1584	DIBBS
A0440240116K	2024-11-312	1584	DIBBS
91251A626	2024-10-304	1584	DIBBS
A0440240116K	2024-10-304	1584	DIBBS
91251A626	2024-08-241	21	DIBBS
A0440240116K	2024-08-241	21	DIBBS
91251A626	2024-08-221	2752	DIBBS
A0440240116K	2024-08-221	2752	DIBBS
91251A626	2024-07-213	2752	DIBBS
A0440240116K	2024-07-213	2752	DIBBS
91251A626	2024-07-206	1044	DIBBS
A0440240116K	2024-07-206	1044	DIBBS
91251A626	2024-06-172	1044	DIBBS
A0440240116K	2024-06-172	1044	DIBBS
91251A626	2024-01-04	93	DIBBS
A0440240116K	2024-01-04	93	DIBBS
91251A626	2023-09-262	1134	DIBBS
A0440240116K	2023-09-262	1134	DIBBS
91251A626	2023-09-254	1134	DIBBS
A0440240116K	2023-09-254	1134	DIBBS
91251A626	2023-09-249	23	DIBBS
A0440240116K	2023-09-249	23	DIBBS
91251A626	2023-08-235	1178	DIBBS
A0440240116K	2023-08-235	1178	DIBBS
91251A626	2023-07-212	2595	DIBBS
A0440240116K	2023-07-212	2595	DIBBS
91251A626	2023-07-193	2595	DIBBS
A0440240116K	2023-07-193	2595	DIBBS
91251A626	2023-02-44	2595	DIBBS
A0440240116K	2023-02-44	2595	DIBBS
5305-01-306-7873	2018-08-241	6122	DIBBS
5305-01-306-7873	2018-07-197	3519	DIBBS
5305-01-306-7873	2017-11-306	3519	DIBBS
5305-01-306-7873	2017-10-284	1595	DIBBS
5305-01-306-7873	2017-07-200	1595	DIBBS
5305-01-306-7873	2017-06-177	1166	DIBBS
5305-01-306-7873	2014-02-42	114	DIBBS
5305-01-306-7873	2012-08-230	125	DIBBS
5305-01-306-7873	2011-06-179	295	DIBBS
5305-01-306-7873	2011-05-140	300	DIBBS
5305-01-306-7873	2011-02-46	295	DIBBS

Cross Reference | NSN 5305-01-306-7873

Part Number	Cage Code	Manufacturer
91251A626	39428	MCMASTER-CARR SUPPLY COMPANY
91251A626	3A054	MCMASTER-CARR SUPPLY COMPANY

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Related Products | NSN 5305-01-306-7873

5305-01-306-8016, 5305-01-306-8108, 5305-01-306-8122, 5305-01-306-8652, 5305-01-306-8653

Technical Data | NSN 5305-01-306-7873

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
FASTENER LENGTH	1.250 INCHES NOMINAL
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
COLOR	BLACK OVERALL
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
HEAD STYLE	C66 KNURLED NO. 1
HEAD DIAMETER	0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE	D5 HEXAGON
WIDTH ACROSS FLATS	0.312 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-306-7873

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item 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	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	KH	Defense Industrial Supply Center Philadelphia, PA 19111
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 5305-01-306-7873

Category	Code	Description
Materiel Category and Inventory Manager	T	Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	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 Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative

Category	Code	Description
Budget Code	9	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 Validation	N	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 Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	2	Non-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 Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/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 Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative