Part Number
Definition:
A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ANEE | GRIP LENGTH | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS663 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASL | HEAD DIAMETER | 0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASA | THREAD LENGTH | 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AASB | FASTENER LENGTH | 1.386 INCHES MINIMUM AND 1.416 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |