4730-01-421-6835 NUT,UNION Index 6750-01-421-6837 FILM,PHOTOGRAPHIC

National Stock Number:
5305-01-421-6836

Federal Supply Class:
5305

National Item Identification Number:
014216836

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:
674823216623UNITED STATES DEPARTMENT OF THE NAVY DBA NAVAL UNDERSEA WARFARE CTR DIV
674823253711NAVAL SEA SYSTEMS COMMAND
67482327Z297PUGET SOUND PRECISION, INC


Techincal Specification:
FASTENER LENGTH0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD DIAMETER0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 303
SPECIAL FEATURESHEAD PAINTED WHITE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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