Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-620-8164 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: 9008990, 5305-00-620-8164, 00-620-8164, 5305006208164, 006208164

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-620-8164

Drawings & Photos | NSN 5305-00-620-8164


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Technical Data | NSN 5305-00-620-8164

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 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
FASTENER LENGTH 0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM
MATERIAL STEEL COMP 1117 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C44 FILLISTER
HEAD DIAMETER 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-00-620-8164

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
Category Code Description
No Freight Information