Product Details | SOCKET HEAD CAP SCREW

5305-00-806-2576 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: 12Z104332, 12Z1043-32, 4491144 PIECE 1, 4491144PC10, 4491144PIECE1, 5305-00-806-2576, 00-806-2576, 5305008062576, 008062576

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-806-2576

Drawings & Photos | NSN 5305-00-806-2576


Demand History | NSN 5305-00-806-2576

Part Number Request Date QTY Origin
5305-00-806-2576 2025-07-198 137 DIBBS
5305-00-806-2576 2025-07-190 137 DIBBS
5305-00-806-2576 2025-04-120 71 DIBBS
5305-00-806-2576 2025-04-112 71 DIBBS
5305-00-806-2576 2016-08-224 187 DIBBS
5305-00-806-2576 2008-12-338 107 DIBBS

Cross Reference | NSN 5305-00-806-2576

Part Number Cage Code Manufacturer
12Z1043-32 94135 NAVAL ORDNANCE STANDARDS
4491144 PIECE 1 25685 NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION
4491144PC10 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 5305-00-806-2576

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.625 INCHES MAXIMUM
FASTENER LENGTH 0.625 INCHES NOMINAL
MATERIAL NICKEL ALLOY R-405 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
MANUFACTURERS CODE 94135
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE 12Z1043-32

Restrictions/Controls & Freight Information | NSN 5305-00-806-2576

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 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 XX
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 5305-00-806-2576

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
Q
EA : Each