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 |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AASK | HEAD STYLE | FILLISTER |
| AASA | THREAD LENGTH | 0.140 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| CYBA | SCREW SURFACE TREATMENT | PASSIVATE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AHYM | NOMINAL THREAD DIAMETER | 0.060 INCHES |
| AAJD | THREAD CLASS | 2A |
| AASL | HEAD DIAMETER | 0.083 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| CYAU | SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 305 OR STEEL COMP 304 OR STEEL COMP 309 OR STEEL COMP 4130H OR STEEL COMP 310 OR STEEL COMP 321 OR STEEL COMP 317 OR STEEL COMP 316L OR STEEL COMP 316 OR STEEL COMP 347 |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD 171 FINISH NO. 5.4 MIL STD SINGLE TREATMENT RESPONSE |
| CMLP | THREAD QUANTITY PER INCH | 80 |