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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
45722 USM CORP SUB OF EMHART INDUSTRIES IN

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CRGF NONMACHINE THREAD STYLE DOG TYPE (TYPE B OR C)
ZZZT NONDEFINITIVE SPEC/STD DATA B TYPE
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AASK HEAD STYLE FLAT COUNTERSUNK
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATT MATERIAL STEEL OVERALL
CTYF NONMACHINE NOMINAL THREAD DIAMETER 0.190 INCHES
AASL HEAD DIAMETER 0.348 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
CBBL FEATURES PROVIDED CASEHARDENED
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AASB FASTENER LENGTH 0.375 INCHES NOMINAL

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