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 |
|---|---|
| 06950 | ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| AASL | HEAD DIAMETER | 0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.0439 INCHES MINIMUM AND 0.0459 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
| MATT | MATERIAL | TITANIUM ALLOY OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AASA | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AAUR | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| FEAT | SPECIAL FEATURES | CETYL ALCOHOL LUBRICATION,FURNISHED WITH O RING |
| ANEE | GRIP LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |