4820-01-320-6089 VALVE,GATE Index 4320-01-320-6091 PUMP SUBASSEMBLY,ROTARY

National Stock Number:
5305-01-320-6090

Federal Supply Class:
5305

National Item Identification Number:
013206090

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:
0N360693-298230NATIONAL SECURITY AGENCY


Techincal Specification:
DISTANCE FROM CENTERLINE TO FLAT0.086 INCHES NOMINAL
FASTENER LENGTH0.200 INCHES NOMINAL
HEAD HEIGHT0.080 INCHES NOMINAL
HEAD DIAMETER0.171 INCHES MINIMUM AND 0.173 INCHES MAXIMUM
HEAD STYLEDEE CHAMFER
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.138 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A581-75,COND A ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 303
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.180 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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