5305-00-638-1210 SCREW,MACHINE Index 5305-00-638-1212 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-00-638-1211

Federal Supply Class:
5305

National Item Identification Number:
006381211

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
12119-2678022NORTHROP GRUMMAN SYSTEMS CORPORATION
2337991-51018355THE BOEING COMPANY
2337991-51088277THE BOEING COMPANY


Techincal Specification:
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY HEAD HEIGHT AND FASTENER LENGTH
FASTENER LENGTH2.844 INCHES MINIMUM AND 2.938 INCHES MAXIMUM
HEAD HEIGHT0.219 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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