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, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.
CAGE Information
| Code | Company |
|---|---|
| K7766 | BRITISH STANDARDS INSTITUTION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BS S94 ASSN STD SINGLE MATERIAL RESPONSE OR BS S95 ASSN STD SINGLE MATERIAL RESPONSE OR BS S114 ASSN STD SINGLE MATERIAL RESPONSE OR BS S116 ASSN STD SINGLE MATERIAL RESPONSE OR BS S117 ASSN STD SINGLE MATERIAL RESPONSE |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 FSCM K0831 MFR REF SINGLE TREATMENT RESPONSE |
| AASA | THREAD LENGTH | 0.500 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE |
| CYAU | SCREW MATERIAL | STEEL |
| AASB | FASTENER LENGTH | 1.600 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 2A |
| AASL | HEAD DIAMETER | 0.337 INCHES MINIMUM AND 0.387 INCHES MAXIMUM |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |