Product Details | THUMBSCREW

5305-01-057-6682 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: 4191507 , 5305-01-057-6682, 01-057-6682, 5305010576682, 010576682

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 17 MAR 1978 01-057-6682

Drawings & Photos | NSN 5305-01-057-6682


Cross Reference | NSN 5305-01-057-6682

Part Number Cage Code Manufacturer
4191507 80212 BAE SYSTEMS LAND & ARMAMENTS L.P.

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Technical Data | NSN 5305-01-057-6682

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 3.000 INCHES NOMINAL
FASTENER LENGTH 3.000 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-46172 COMP 1010-1025 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C80 THUMB NO. 4
HEAD HEIGHT 0.810 INCHES NOMINAL
WIDTH BETWEEN FLATS 1.120 INCHES NOMINAL
SPECIAL FEATURES SELF-LOCKING ELEMENT MIL-F-18240 IN THREADS 1.750 IN. FROM POINT
MANUFACTURERS CODE 80212
DESIGN CONTROL REFERENCE 4191507

Restrictions/Controls & Freight Information | NSN 5305-01-057-6682

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