5305-01-581-0186 SCREW,KNOB Index 5305-01-581-0369 SCREW,MACHINE

National Stock Number:
5305-01-581-0187

Federal Supply Class:
5305

National Item Identification Number:
015810187

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:
114084RP.375SS1251506ACCURATE SCREW MACHINE CORP


Techincal Specification:
FASTENER LENGTH0.375 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD HEIGHT0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
HEAD DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE II
PART NAME ASSIGNED BY CONTROLLING AGENCYROUND HEAD CAPTIVE SCREW PHILLIPS (SCREW MACHINE)
NOMINAL THREAD DIAMETER0.138 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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