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 |
---|---|---|
CMLP | THREAD QUANTITY PER INCH | 24 |
AASU | HEAD HEIGHT | 0.348 INCHES NOMINAL |
AASA | THREAD LENGTH | 0.572 INCHES NOMINAL |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
AASB | FASTENER LENGTH | 0.947 INCHES NOMINAL |
AAJD | THREAD CLASS | 3A |
MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
THSD | THREAD SERIES DESIGNATOR | UNF |
AAUB | HOLE DIAMETER | 0.055 INCHES NOMINAL |
AATC | EXTENDED WASHER DIAMETER | 0.526 INCHES NOMINAL |
CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
ASXK | HOLE QUANTITY | 4 |
AATD | EXTENDED WASHER THICKNESS | 0.082 INCHES NOMINAL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 6AL-4V-NAS 621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
BQDM | HOLE TYPE | DRILLED |
AATB | WIDTH BETWEEN FLATS | 0.368 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
ANEE | GRIP LENGTH | 0.375 INCHES NOMINAL |
AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |