5305-00-954-9239 SCREW,TAPPING Index 5325-00-954-9244 RING,RETAINING

National Stock Number:
5305-00-954-9241

Federal Supply Class:
5305

National Item Identification Number:
009549241

Description:
SCREW,TAPPING

Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.


Manufacturer Information:
MS21207C10-896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.348 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.190 INCHES
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
SURFACE TREATMENTPASSIVATE OVERALL


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