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 |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AASB | FASTENER LENGTH | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| MATT | MATERIAL | PLASTIC LOCKING FEATURE |
| AAVA | POINT DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 43.0 ROCKWELL C MINIMUM FASTENER AND 48.0 ROCKWELL C MAXIMUM FASTENER |
| ABQJ | POINT STYLE | CHAMFER DOG |
| AAUY | POINT LENGTH | 0.137 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM FASTENER AND CHROMATE FASTENER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 440A FASTENER OR STEEL COMP 303MA FASTENER |
| AAUM | LOCKING FEATURE | STRIP THREADS |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEADLESS (SETSCREW) |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| CWDK | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 32 |