5305-00-298-7638 SCREW,MACHINE Index 5306-00-298-7644 BOLT,SQUARE NECK

National Stock Number:
5305-00-298-7639

Federal Supply Class:
5305

National Item Identification Number:
002987639

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:
12685619315HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS
12685699551GOODRICH CORPORATION


Techincal Specification:
FASTENER LENGTH0.562 INCHES NOMINAL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HEAD HEIGHT0.203 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 8740
SCREW SURFACE TREATMENTCADMIUM
SPECIAL FEATURESWITH TWO DRILLED HOLES IN HEAD
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.469 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL


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