5305-00-508-3086 SCREW,CLOSE TOLERANCE Index 5305-00-508-3089 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-508-3087

Federal Supply Class:
5305

National Item Identification Number:
005083087

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:
LS15264V04-706710VALLEY-TODECO, INC.
LS15264V04-706725SPS TECHNOLOGIES, LLC
LS15264V04-706950HOWMET GLOBAL FASTENING SYSTEMS INC
LS15264V04-727624SPS TECHNOLOGIES LLC
LS15264V04-756878SPS TECHNOLOGIES, LLC
LS15264V04-792215HOWMET GLOBAL FASTENING SYSTEMS INC
LS15264V04-798897LOCKHEED MARTIN CORP


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD DIAMETER0.177 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.112 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONNAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALTITANIUM ALLOY UNS R54520
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.312 INCHES MINIMUM AND 0.393 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNJC


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