5305-00-687-7341 SCREW,MACHINE Index 5307-00-687-7343 STUD,PLAIN

National Stock Number:
5305-00-687-7342

Federal Supply Class:
5305

National Item Identification Number:
006877342

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:
343-0343-0013499ROCKWELL COLLINS, INC.
343-0343-00095105ROCKWELL COLLINS, INC.
P343-0343-00077250ALLIED PRODUCTS CORP PHEOLL MFG CO DIV


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD DIAMETER0.373 INCHES NOMINAL
HEAD HEIGHT0.133 INCHES NOMINAL
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE II
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIALCOPPER ALLOY
SCREW SURFACE TREATMENTNICKEL
THREAD CLASS2A
THREAD LENGTH0.250 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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