Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-373-1636 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: 32186163, 321861-63, 5305-01-373-1636, 01-373-1636, 5305013731636, 013731636

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 30 MAR 1993 01-373-1636

Drawings & Photos | NSN 5305-01-373-1636


Cross Reference | NSN 5305-01-373-1636

Part Number Cage Code Manufacturer
321861-63 96214 RAYTHEON COMPANY DBA RAYTHEON
321861-63 A0072 FIAR FABBRICA ITALIANA APPARECCHIATURE RADIOELETTRICHE SPA

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Technical Data | NSN 5305-01-373-1636

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.250 INCHES NOMINAL
FASTENER LENGTH 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
HEAD STYLE C32 PAN
HEAD DIAMETER 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.154 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.250 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-373-1636

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