Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-420-4953 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: 200AS132103213, 200AS132-1032-13, 5305-01-420-4953, 01-420-4953, 5305014204953, 014204953

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 18 OCT 1995 01-420-4953

Drawings & Photos | NSN 5305-01-420-4953


Cross Reference | NSN 5305-01-420-4953

Part Number Cage Code Manufacturer
200AS132-1032-13 30003 NAVAL AIR SYSTEMS COMMAND

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Technical Data | NSN 5305-01-420-4953

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 0.781 INCHES MINIMUM AND 0.843 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HEAD HEIGHT 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.594 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-420-4953

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information