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 |
|---|---|
| 38018 | MANITOWOC ENGINEERING CO DIVISION OF |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| AASU | HEAD HEIGHT | 0.625 INCHES NOMINAL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B CLASS |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 2.750 INCHES NOMINAL |
| AASK | HEAD STYLE | SQUARE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 43811 FSCM 14170 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| FEAT | SPECIAL FEATURES | 1/8 IN. BY 45 DEG CHAMFER END OF BOLT AND 1/16 IN. RADIUS UNDER CUT TO DEPTH OF HEAD END |
| AASA | THREAD LENGTH | 2.563 INCHES MINIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.812 INCHES NOMINAL |