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 |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 2.188 INCHES MINIMUM AND 2.281 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4037 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| ANEE | GRIP LENGTH | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | CROWNED HEXAGON |
| ASXK | HOLE QUANTITY | 1 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| AAUB | HOLE DIAMETER | 0.046 INCHES NOMINAL |
| BQDM | HOLE TYPE | DRILLED |
| FEAT | SPECIAL FEATURES | SHANK END SLOTTED 0.061 IN. MIN 0.077 IN. MAX WIDE BY 0.097 IN. MIN,0.130 IN. MAX LG |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| AASU | HEAD HEIGHT | 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASB | FASTENER LENGTH | 2.250 INCHES MINIMUM AND 2.312 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |