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 |
|---|---|
| 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE- |
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 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| CRGF | NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |