Product Details | SOCKET HEAD CAP SCREW

5305-00-531-1772 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: 12Z103776, 12Z1037-76, 5305-00-531-1772, 00-531-1772, 5305005311772, 005311772

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 04 JAN 1973 00-531-1772

Drawings & Photos | NSN 5305-00-531-1772


Cross Reference | NSN 5305-00-531-1772

Part Number Cage Code Manufacturer
12Z1037-76 94135 NAVAL ORDNANCE STANDARDS

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Technical Data | NSN 5305-00-531-1772

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.112 INCHES
THREAD QUANTITY PER INCH 40
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.544 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
FASTENER LENGTH 0.594 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
MATERIAL STEEL COMP 304 OR STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764 FED SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE AND OXIDE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
MANUFACTURERS CODE 94135
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE 12Z1037-76

Restrictions/Controls & Freight Information | NSN 5305-00-531-1772

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
No Freight Information

Management | NSN 5305-00-531-1772

Category Code Description
Cognizance Codes1RAeronautical, photographic, and meteorological material (consumable or expense type material)
Naval Inventory Control Point, Philadelphia
Source of SupplyN32Naval Inventory Control Point
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesCSERVICE/AGENCY-MANAGED (Service/Agency use only.) # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by individual Services supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
A
EA : Each