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 |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | DRIVER SIZE 2 |
| HUES | COLOR | NATURAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.147 INCHES |
| AASL | HEAD DIAMETER | 0.319 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 1 POUNDS PER SQUARE INCH |
| CYBA | SCREW SURFACE TREATMENT | PASSIVATE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| CYAU | SCREW MATERIAL | STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 384 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP XM-7 |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 0.625 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | 4940-01-471-6396 PATRIOT MISSLE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | UNC-2A, CORROSION RESISTANT STEEL, CROSS-RECESSED, 82 DEGREE FLAT COUNTERSUNK HEAD MACHINE SCREW |
| AASA | THREAD LENGTH | 0.525 INCHES NOMINAL |
| CRSQ | COUNTERSINK ANGLE | 81.0 DEGREES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 |