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 |
---|---|
53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASA | THREAD LENGTH | 1.420 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
AASU | HEAD HEIGHT | 0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 400 GRADE |
CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
AASB | FASTENER LENGTH | 1.420 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM FASTENER |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CQHQ | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
AAUM | LOCKING FEATURE | PELLET THREADS OR PATCH THREADS OR STRIP THREADS |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CLA FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
AASK | HEAD STYLE | HEXAGON |
AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
MATT | MATERIAL | NICKEL ALLOY 400 FASTENER |
CMLP | THREAD QUANTITY PER INCH | 10 |