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 |
|---|---|
| 27624 | PAUL R. BRILES INC. DBA PB FASTENERS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASB | FASTENER LENGTH | 0.598 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE-SET RIBBED |
| AAJD | THREAD CLASS | 3A |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| ANEE | GRIP LENGTH | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.401 INCHES MINIMUM AND 0.451 INCHES MAXIMUM |