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 |
|---|---|
| 03038 | LONG-LOK FASTENERS CORPORATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAUH | SPLINE MINOR DIAMETER | 0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM |
| AAUJ | SPLINE MAJOR DIAMETER | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE |
| MATT | MATERIAL | PLASTIC LOCKING FEATURE |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| ABQJ | POINT STYLE | CUP |
| AAJD | THREAD CLASS | 3A |
| SFTT | SURFACE TREATMENT | CADMIUM FASTENER AND CHROMATE FASTENER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES FASTENER |
| AAUM | LOCKING FEATURE | STRIP THREADS |
| AASK | HEAD STYLE | HEADLESS (SETSCREW) |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAUK | SPLINE WIDTH | 0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | FOUR SPLINE |
| MATT | MATERIAL | STEEL COMP 4037 FASTENER OR STEEL COMP 4137 FASTENER OR STEEL COMP 8630 FASTENER OR STEEL COMP 4140 FASTENER OR STEEL COMP 8740 FASTENER |
| AASB | FASTENER LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | ASMODIFIED BY LOCKING FEATURE |
| AASA | THREAD LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |