Product Details | INTERNAL WRENCHING BOLT

5306-00-638-9424 An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.

Part Alternates: MS2000634, MS20006-34, MILB7838, 5306-00-638-9424, 00-638-9424, 5306006389424, 006389424

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-638-9424

Drawings & Photos | NSN 5306-00-638-9424


Demand History | NSN 5306-00-638-9424

Part Number Request Date QTY Origin
MS2000634 2019-06-177 102 United States
MS2000634 2016-09-272 6 us
5306-00-638-9424 2012-05-139 2 US
5306-00-638-9424 2012-05-139 2 US
MILB7838 2009-01-11 1 JP

Cross Reference | NSN 5306-00-638-9424

Part Number Cage Code Manufacturer
MILB7838 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS20006-34 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-00-638-9424

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.688 INCHES MINIMUM
FASTENER LENGTH 2.812 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD DIAMETER 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM
HEAD HEIGHT 0.375 INCHES NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILB7838
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS20006-34

Restrictions/Controls & Freight Information | NSN 5306-00-638-9424

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