5305-01-318-2150 SCREW,MACHINE Index 5340-01-318-2152 STANDOFF,THREADED,SPACING

National Stock Number:
5305-01-318-2151

Federal Supply Class:
5305

National Item Identification Number:
013182151

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:
177004-38310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.490 INCHES MINIMUM AND 0.519 INCHES MAXIMUM
HEAD HEIGHT0.181 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.312 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM A484M ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-963 FED SPEC 2ND MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 303SE OR STEEL COMP 316
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.639 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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