Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-026-4681 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: 17113331, 1711333-1, 5305-01-026-4681, 01-026-4681, 5305010264681, 010264681

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 24 AUG 1976 01-026-4681

Drawings & Photos | NSN 5305-01-026-4681


Cross Reference | NSN 5305-01-026-4681

Part Number Cage Code Manufacturer
1711333-1 11447 L-3 COMMUNICATIONS CORPORATION DBA COMMUNICATION SYSTEMS - EAST
1711333-1 49671 LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS

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Technical Data | NSN 5305-01-026-4681

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.112 INCHES
THREAD QUANTITY PER INCH 40
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.111 INCHES NOMINAL
FASTENER LENGTH 0.281 INCHES NOMINAL
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.220 INCHES NOMINAL
HEAD HEIGHT 0.068 INCHES NOMINAL
INTERNAL DRIVE STYLE D14 SLOT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.073 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.170 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-026-4681

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