Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION THROUGH HOLES IN ASSEMBLED PARTS AND NORMALLY INTENDED TO BE TIGHTENED OR RELEASED BY TORQUING A NUT. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF ONE NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. FOR ITEMS HAVING A GRIP LENGTH PORTION MACHINED TO A TOLERANCE OF 0.0015 INCH (0.038 MM) OR LESS, BOLT, SHEAR. SEE ALSO SCREW, CAP, HEXAGON HEAD AND SCREW, MACHINE.
CAGE Information
| Code | Company |
|---|---|
| 39428 | MCMASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 116000 POUNDS PER SQUARE INCH |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 4G6G |
| AASA | THREAD LENGTH | 30.0 MILLIMETERS MINIMUM AND 38.7 MILLIMETERS MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 11.9 MILLIMETERS |
| MATT | MATERIAL | STEEL OVERALL |
| AASU | HEAD HEIGHT | 7.5 MILLIMETERS NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 19.0 MILLIMETERS NOMINAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CAP SCREW (M12-1.75) |
| CQFM | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.7 |
| THSD | THREAD SERIES DESIGNATOR | M |
| AASB | FASTENER LENGTH | 107.5 MILLIMETERS NOMINAL |
| FEAT | SPECIAL FEATURES | DIN 931 SPECIFICATION |