Product Details | SETSCREW

5305-00-639-0807 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: FFS200, 5305-00-639-0807, 00-639-0807, 5305006390807, 006390807

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-639-0807

Drawings & Photos | NSN 5305-00-639-0807


Demand History | NSN 5305-00-639-0807

Part Number Request Date QTY Origin
FFS200 2011-10-280 28 United States
FFS200 2009-12-344 20 Canada
FFS200 2009-10-288 100 US

Cross Reference | NSN 5305-00-639-0807

Part Number Cage Code Manufacturer
FFS200 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-00-639-0807

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.312 INCHES MINIMUM
FASTENER LENGTH 0.312 INCHES NOMINAL
MATERIAL STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
POINT STYLE F20 CUP
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 4 STYLE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY THREAD CLASS
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS200

Restrictions/Controls & Freight Information | NSN 5305-00-639-0807

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