5305-00-638-0448 SETSCREW Index 5305-00-638-0473 SCREW,MACHINE

National Stock Number:
5305-00-638-0471

Federal Supply Class:
5305

National Item Identification Number:
006380471

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:
SP801010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD DIAMETER0.205 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
HEAD HEIGHT0.330 INCHES MINIMUM AND 0.354 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.156 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALCOPPER ALLOY 482
SCREW SURFACE TREATMENTLEAD AND LEAD ALLOY
SPECIAL FEATURESTHREAD RELIEF UNDER HEAD0.116 IN. DIAMETER BY 0.054 IN. WIDE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.191 INCHES MINIMUM
THREAD QUANTITY PER INCH36
THREAD SERIES DESIGNATORUNS


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