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 |
|---|---|
| 54370 | ALFA LAVAL INC. USE CAGE CODE 71871 |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 0.250 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.250 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| MATT | MATERIAL | STEEL COMP 1016 OVERALL OR STEEL COMP 1011 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1213 OVERALL OR STEEL COMP 1212 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1137 OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| 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 |
| ABQJ | POINT STYLE | OVAL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 3 STYLE |
| AASB | FASTENER LENGTH | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AATB | WIDTH BETWEEN FLATS | 0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |