5330-01-481-0980 SEAL,PLAIN ENCASED Index 5310-01-481-0982 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5305-01-481-0981

Federal Supply Class:
5305

National Item Identification Number:
014810981

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:
2799870-00247WD8EVAC NORTH AMERICA INC
2799870-00258568ENVIROVAC INC DBA MONOGRAM SYSTEMS-ROCKFORD DIV


Techincal Specification:
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, SELF-LOCK
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURES2 UNITS PER ASSEMBLY
THREAD LENGTH0.625 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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