5305-01-166-7923 SCREW,MACHINE Index 5305-01-166-7925 SCREW,MACHINE

National Stock Number:
5305-01-166-7924

Federal Supply Class:
5305

National Item Identification Number:
011667924

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:
FF-S-9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-92 TY1ST2S80244GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD DIAMETER0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.112 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2S STYLE
SCREW MATERIALCOPPER ALLOY
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.308 INCHES MINIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH40


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