Part Number
Part Number:
NSN:
NIIN:
Item Name:
SETSCREW
Definition:
AN EXTERNALLY THREADED DEVICE WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH OR WITHOUT A HEAD AND HAVING A CUP, CONE, OR OTHER TYPE OF MACHINED POINT DESIGNED TO PREVENT OR RESTRICT RELATIVE MOVEMENT OF PARTS AND DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
CAGE Information
| Code | Company |
|---|---|
| 70318 | ALLMETAL SCREW PRODUCTS CORP DBA ALL |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| ABQJ | POINT STYLE | CUP |
| AAJD | THREAD CLASS | 3A |
| CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| AASB | FASTENER LENGTH | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 303 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AAUH | SPLINE MINOR DIAMETER | 0.025 INCHES MINIMUM AND 0.026 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 72 |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEADLESS (SETSCREW) |
| ABQZ | INTERNAL DRIVE STYLE | FOUR SPLINE |
| AHYM | NOMINAL THREAD DIAMETER | 0.073 INCHES |
| AAUJ | SPLINE MAJOR DIAMETER | 0.034 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AAUK | SPLINE WIDTH | 0.011 INCHES MINIMUM AND 0.012 INCHES MAXIMUM |