Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-492-2136 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: 212-0104-00, 5305-00-492-2136, 00-492-2136, 5305004922136, 212010400, 004922136

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 02 JUL 1974 00-492-2136

Drawings & Photos | NSN 5305-00-492-2136


Cross Reference | NSN 5305-00-492-2136

Part Number Cage Code Manufacturer
212-0104-00 80009 TEKTRONIX, INC. DBA TEKTRONIX

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Technical Data | NSN 5305-00-492-2136

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 0.275 INCHES NOMINAL
FASTENER LENGTH 0.375 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 251-0748-00 FSCM 80009 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION F-201 FSCM 80009 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.250 INCHES NOMINAL
INTERNAL DRIVE STYLE D21 WITHOUT INTERNAL DRIVE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.100 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-00-492-2136

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