Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-276-7157 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: 6317966001, 631-7966-001, 5305-01-276-7157, 01-276-7157, 5305012767157, 012767157

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 13 APR 1988 01-276-7157

Drawings & Photos | NSN 5305-01-276-7157


Cross Reference | NSN 5305-01-276-7157

Part Number Cage Code Manufacturer
631-7966-001 13499 ROCKWELL COLLINS, INC. DBA GOVERNMENT SYSTEMS

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Technical Data | NSN 5305-01-276-7157

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH 0.562 INCHES NOMINAL
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.625 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1

Restrictions/Controls & Freight Information | NSN 5305-01-276-7157

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