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 |
---|---|
78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CMLP | THREAD QUANTITY PER INCH | 24 |
PRMT | PRECIOUS MATERIAL | SILVER |
ANEE | GRIP LENGTH | 0.313 INCHES NOMINAL |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
AASA | THREAD LENGTH | 0.640 INCHES MINIMUM |
AAJD | THREAD CLASS | 3A |
AASU | HEAD HEIGHT | 0.285 INCHES MINIMUM AND 0.302 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AAUB | HOLE DIAMETER | 0.062 INCHES NOMINAL |
ASXK | HOLE QUANTITY | 1 |
MATT | MATERIAL | STEEL OVERALL |
AASB | FASTENER LENGTH | 0.953 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNF |
CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
AASK | HEAD STYLE | HEXAGON |
CRHC | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
BQDM | HOLE TYPE | DRILLED |
AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
SFTT | SURFACE TREATMENT | SILVER OVERALL |
CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
AATB | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |