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) |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AASL | HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| AASU | HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASK | HEAD STYLE | PAN |