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 |
|---|---|
| 81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.500 INCHES MAXIMUM |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 4 STYLE |
| ABQJ | POINT STYLE | CUP |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| AASK | HEAD STYLE | SQUARE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| AASU | HEAD HEIGHT | 0.234 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| MATT | MATERIAL | STEEL COMP 1010 OVERALL OR STEEL COMP 1020 OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |