5305-00-619-6240 SCREW,MACHINE Index 5310-00-619-6248 NUT,PLAIN,CAP

National Stock Number:
5305-00-619-6242

Federal Supply Class:
5305

National Item Identification Number:
006196242

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
678283024617GENERAL MOTORS CORP
678283063005ROLLS-ROYCE CORPORATION
678283073342ALLISON TRANSMISSION INC


Techincal Specification:
FASTENER LENGTH0.562 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.361 INCHES MINIMUM AND 0.371 INCHES MAXIMUM
HEAD HEIGHT0.266 INCHES NOMINAL
HEAD HOLE CONFIGURATION STYLEROUND
HEAD STYLEFLAT CHAMFER
HOLE DIAMETER0.062 INCHES NOMINAL
HOLE QUANTITY2
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH124000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIALSTEEL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.374 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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