5340-00-775-6294 COVER Index 5315-00-775-6312 PIN

National Stock Number:
5305-00-775-6310

Federal Supply Class:
5305

National Item Identification Number:
007756310

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:
MS9573-030U583SAE INTERNATIONAL
MS9573-0381343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9573-0396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
EXTENDED WASHER DIAMETER0.312 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
FASTENER LENGTH0.312 INCHES NOMINAL
HEAD HEIGHT0.230 INCHES NOMINAL
HEAD HOLE CONFIGURATION STYLEDOUBLE HEXAGON FLATS
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
HOLE DIAMETER0.047 INCHES NOMINAL
HOLE QUANTITY4
NOMINAL THREAD DIAMETER0.164 INCHES
PRECIOUS MATERIALSILVER
SCREW MATERIALIRON ALLOY 660
SCREW SURFACE TREATMENTSILVER
WIDTH BETWEEN FLATS0.212 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
THREAD LENGTH0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH36


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