Product Details | THUMBSCREW

5305-00-796-9579 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: 8173505, 5305-00-796-9579, 00-796-9579, 5305007969579, 007969579

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-796-9579

Drawings & Photos | NSN 5305-00-796-9579


Cross Reference | NSN 5305-00-796-9579

Part Number Cage Code Manufacturer
8173505 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 5305-00-796-9579

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.844 INCHES NOMINAL
FASTENER LENGTH 2.188 INCHES NOMINAL
MATERIAL STEEL COMP 303 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C66 KNURLED NO. 1
HEAD DIAMETER 1.250 INCHES NOMINAL
HEAD HEIGHT 0.438 INCHES NOMINAL
POINT STYLE F7 CONE
POINT LENGTH 0.156 INCHES NOMINAL
POINT CHAMFER ANGLE 90.0 DEGREES MINIMUM
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 8173505

Restrictions/Controls & Freight Information | NSN 5305-00-796-9579

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