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 |
|---|---|
| 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 4.2 MILLIMETERS |
| AASL | HEAD DIAMETER | 7.4 MILLIMETERS MINIMUM AND 8.7 MILLIMETERS MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4255-M MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CHROMATE OVERALL |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASB | FASTENER LENGTH | 19.20 MILLIMETERS MINIMUM AND 20.80 MILLIMETERS MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| AAUJ | SPLINE MAJOR DIAMETER | 3.4 MILLIMETERS NOMINAL |
| CRGF | NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |