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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , TAPPING

Definition:

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.

CAGE Information

Code Company
11447 L-3 COMMUNICATIONS CORPORATION DBA C

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
FEAT SPECIAL FEATURES TRIANGLE /TAPTITE) SHAPE THREADS
AASL HEAD DIAMETER 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE SLOT
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD 1ST MATERIAL RESPONSE OVERALL OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL OR SAE ASSN STD 3RD MATERIAL RESPONSE OVERALL
CTYF NONMACHINE NOMINAL THREAD DIAMETER 0.164 INCHES
AASK HEAD STYLE ROUND
AASU HEAD HEIGHT 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 1022 OVERALL
CQBC MINIMUM TENSILE STRENGTH 132000 POUNDS PER SQUARE INCH
CQFM HARDNESS RATING 65.0 ROCKWELL B MINIMUM OVERALL AND 75.0 ROCKWELL B MAXIMUM OVERALL
AASB FASTENER LENGTH 0.375 INCHES NOMINAL
SFTT SURFACE TREATMENT CADMIUM OVERALL

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