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 |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASL | HEAD DIAMETER | 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CRGF | NONMACHINE THREAD STYLE | DOUBLE FLUTE (TYPE F) OR THRU SLOT (TYPE 6) OR THRU SLOT (TYPE D) OR WIDE FLUTE (TYPE T) |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASU | HEAD HEIGHT | 0.068 INCHES MINIMUM AND 0.081 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.375 INCHES NOMINAL |