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 |
|---|---|
| 88277 | BOEING COMPANY THE DBA BOEING |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CRGF | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| AASB | FASTENER LENGTH | 0.312 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.375 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| CQFM | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CQHQ | MINIMUM YIELD STRENGTH | 75000 POUNDS PER SQUARE INCH |