5305-00-145-6896 SCREW,MACHINE Index 5305-00-145-6898 SCREW,MACHINE

National Stock Number:
5305-00-145-6897

Federal Supply Class:
5305

National Item Identification Number:
001456897

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:
AN520-416-1488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
FASTENER LENGTH0.875 INCHES NOMINAL
HEAD DIAMETER0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM
HEAD HEIGHT0.175 INCHES NOMINAL
HEAD STYLEROUND
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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