Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-031-1014 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: 8783747, 878374-7, 5305-01-031-1014, 01-031-1014, 5305010311014, 010311014

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 19 NOV 1976 01-031-1014

Drawings & Photos | NSN 5305-01-031-1014


Cross Reference | NSN 5305-01-031-1014

Part Number Cage Code Manufacturer
878374-7 96214 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5305-01-031-1014

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.250 INCHES NOMINAL
FASTENER LENGTH 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C32 PAN
HEAD DIAMETER 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.112 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-031-1014

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