Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-379-2336 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Part Alternates: 0441C012157, 0441C0121-57, 4157, 5305-01-379-2336, 01-379-2336, 5305013792336, 013792336

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 29 AUG 1993 01-379-2336

Cross Reference | NSN 5305-01-379-2336

Part Number Cage Code Manufacturer
0441C0121-57 03538 LOCKHEED MARTIN CORPORATION DIV MST
0441C0121-57 54497 MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP
4157 04729 UNICORP

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Technical Data | NSN 5305-01-379-2336

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH 1.000 INCHES NOMINAL
MATERIAL STEEL COMP 303 OVERALL
HEAD DIAMETER 0.750 INCHES NOMINAL
HEAD HEIGHT 0.250 INCHES NOMINAL
III END ITEM IDENTIFICATION UNDERWATER COMBAT SYSTEM, H AND SQOK410VISOR UNICORP

Restrictions/Controls & Freight Information | NSN 5305-01-379-2336

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