Product Details | THUMBSCREW

5305-00-825-3446 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: 1C6138P03, 5305-00-825-3446, 00-825-3446, 5305008253446, 008253446

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 23 APR 1972 00-825-3446

Drawings & Photos | NSN 5305-00-825-3446


Cross Reference | NSN 5305-00-825-3446

Part Number Cage Code Manufacturer
1C6138P03 07482 GENERAL ELECTRIC COMPANY DBA GE

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Technical Data | NSN 5305-00-825-3446

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
FASTENER LENGTH 1.720 INCHES MINIMUM AND 1.760 INCHES MAXIMUM
MATERIAL STEEL COMP 4130 OR STEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C66 KNURLED NO. 1
HEAD DIAMETER 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
HEAD HEIGHT 0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
POINT STYLE F22 POINTLESS
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.326 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM FIRST SHOULDER
MANUFACTURERS CODE 07482
DESIGN CONTROL REFERENCE 1C6138P03

Restrictions/Controls & Freight Information | NSN 5305-00-825-3446

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: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