Product Details | THUMBSCREW

5305-01-538-8106 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: 4257098, 5305-01-538-8106, 01-538-8106, 5305015388106, 015388106

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 30 MAR 2006 01-538-8106

Drawings & Photos | NSN 5305-01-538-8106


Cross Reference | NSN 5305-01-538-8106

Part Number Cage Code Manufacturer
4257098 80212 BAE SYSTEMS LAND & ARMAMENTS L.P.

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Technical Data | NSN 5305-01-538-8106

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 3.625 INCHES NOMINAL
FASTENER LENGTH 1.185 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A668 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM B 633 ASSN STD ALL TREATMENT RESPONSES OVERALL
COLOR NATURAL OVERALL
HEAD STYLE C80 THUMB NO. 4
HEAD HEIGHT 0.810 INCHES NOMINAL
WIDTH BETWEEN FLATS 1.120 INCHES NOMINAL
POINT STYLE F22 POINTLESS

Restrictions/Controls & Freight Information | NSN 5305-01-538-8106

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information