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 |
|---|---|
| 56442 | DIAMOND REO TRUCK CO |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQFM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CQFM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQBC | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| AASU | HEAD HEIGHT | 0.328 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASB | FASTENER LENGTH | 1.125 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| FEAT | SPECIAL FEATURES | 2-DRILLED HOLES IN HEAD |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 5 GRADE |
| CBBL | FEATURES PROVIDED | UNFINISHED HEAD |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HEAD HEIGHT,THREAD LENGTH AND 2 DRILLED HOLES IN HEAD |
| CMLP | THREAD QUANTITY PER INCH | 20 |