Part Number
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
CAGE Information
| Code | Company |
|---|---|
| 25472 | BFGOODRICH CO THE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | TOP OF HEAD PAINTED RED |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.141 INCHES MINIMUM FIRST SHOULDER AND 0.143 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | PAINT HEAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| MATT | MATERIAL | STEEL COMP 4037 OVERALL |
| AASL | HEAD DIAMETER | 0.223 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASA | THREAD LENGTH | 0.129 INCHES MINIMUM AND 0.191 INCHES MAXIMUM |
| AATX | SHOULDER LENGTH | 0.145 INCHES MINIMUM FIRST SHOULDER AND 0.175 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C NOMINAL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |