Product Details | THUMBSCREW

5305-01-254-5409 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: CL425TSA, CL-425-TSA, 5305-01-254-5409, 01-254-5409, 5305012545409, 012545409

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 07 MAY 1987 01-254-5409

Drawings & Photos | NSN 5305-01-254-5409


Cross Reference | NSN 5305-01-254-5409

Part Number Cage Code Manufacturer
CL-425-TSA 99862 CARR LANE MANUFACTURING COMPANY DBA CARR LANE MANUFACTURING

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Technical Data | NSN 5305-01-254-5409

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 2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
FASTENER LENGTH 2.500 INCHES NOMINAL
MATERIAL STEEL COMP 12L14 OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C69 KNURLED NO. 4
HEAD DIAMETER 0.875 INCHES NOMINAL
HEAD HEIGHT 0.688 INCHES NOMINAL
POINT STYLE F15 UNIVERSAL
SPECIAL FEATURES FURNISH WITH JAM NUT; STRAIGHT KNURL

Restrictions/Controls & Freight Information | NSN 5305-01-254-5409

Category Code Description
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.
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.
Category Code Description
No Freight Information