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 |
|---|---|---|
| CRGF | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| CRGF | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| AASU | HEAD HEIGHT | 0.160 INCHES MINIMUM AND 0.175 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 | ROUND |
| MATT | MATERIAL | STEEL OVERALL |
| AASL | HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |