5305-01-019-2399 SCREW,MACHINE Index 5305-01-019-2401 SCREW,MACHINE

National Stock Number:
5306-01-019-2400

Federal Supply Class:
5306

National Item Identification Number:
010192400

Description:
BOLT,INTERNAL WRENCHING

Detail:
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.


Manufacturer Information:
A26881-6313841TIFFIN PARTS, L.L.C.


Techincal Specification:
FASTENER LENGTH3.750 INCHES NOMINAL
HEAD DIAMETER1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
HEAD HEIGHT0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.875 INCHES
SPECIAL FEATURESSTRIP TYPE OR PATCH TYPE OR PELLET TYPE ELEMENT IN THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.750 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH9
WIDTH ACROSS FLATS0.750 INCHES NOMINAL


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