Product Details | SETSCREW

5305-00-238-8478 An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: 421046, 5305-00-238-8478, 00-238-8478, 5305002388478, 002388478

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 02 NOV 1970 00-238-8478

Drawings & Photos | NSN 5305-00-238-8478


Cross Reference | NSN 5305-00-238-8478

Part Number Cage Code Manufacturer
421046 66544 CONTINENTAL MICROWAVE AND TOOL CO., INC.
421046 80006 LITTON SYSTEMS INC AIRTRON DIV

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Technical Data | NSN 5305-00-238-8478

Characteristic Specifications
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD DIAMETER 0.438 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.114 INCHES NOMINAL
FASTENER LENGTH 0.120 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY 6061 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/8 T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION PS-609 FSCM 80006 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C101 HEADLESS
INTERNAL DRIVE STYLE D14 SLOT
POINT STYLE F4 DOG
POINT LENGTH 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM
POINT DIAMETER 0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
MANUFACTURERS CODE 66544
DESIGN CONTROL REFERENCE 421046

Restrictions/Controls & Freight Information | NSN 5305-00-238-8478

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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable