5305-00-167-3891 SCREW,MACHINE Index 5305-00-167-3893 SCREW,MACHINE

National Stock Number:
5305-00-167-3892

Federal Supply Class:
5305

National Item Identification Number:
001673892

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:
AN525-10-1288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MILS783981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
EXTENDED WASHER DIAMETER0.437 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
HEAD STYLEROUND EXTENDED WASHER
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH100000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.406 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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