Product Details | THUMBSCREW

5305-00-637-4971 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Part Alternates: K7002513P1, 5305-00-637-4971, 00-637-4971, 5305006374971, 006374971

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-637-4971

Drawings & Photos | NSN 5305-00-637-4971


Cross Reference | NSN 5305-00-637-4971

Part Number Cage Code Manufacturer
K7002513P1 24446 GENERAL ELECTRIC CO

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Technical Data | NSN 5305-00-637-4971

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.250 INCHES MINIMUM
FASTENER LENGTH 0.438 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
HEAD STYLE C67 KNURLED NO. 2
HEAD DIAMETER 0.500 INCHES NOMINAL
HEAD HEIGHT 0.500 INCHES NOMINAL
POINT STYLE F19 FLAT
MANUFACTURERS CODE 24446
DESIGN CONTROL REFERENCE K7002513P1

Restrictions/Controls & Freight Information | NSN 5305-00-637-4971

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 5305-00-637-4971

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative