5305-00-718-9672 SCREW,MACHINE Index 5305-00-718-9677 SCREW,MACHINE

National Stock Number:
5305-00-718-9673

Federal Supply Class:
5305

National Item Identification Number:
007189673

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:
NAS560HK4-880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH1.026 INCHES NOMINAL
HEAD DIAMETER0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS5735,TYPE A286 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALIRON ALLOY 660
SCREW SURFACE TREATMENTPASSIVATE
SPECIAL FEATURESFLEET BALLISTIC MISSILEQUALITY,QUALITY CONTROLL,POSO 913044
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.526 INCHES MINIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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