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 |
---|---|
80254 | TEXTRON LYCOMING INC WILLIAMSPORT PL |
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CBBL | FEATURES PROVIDED | FINISHED HEAD |
AASU | HEAD HEIGHT | 0.160 INCHES NOMINAL |
AAJD | THREAD CLASS | 3A |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
ANEE | GRIP LENGTH | 0.310 INCHES NOMINAL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |
AASA | THREAD LENGTH | 0.690 INCHES MAXIMUM |
AASK | HEAD STYLE | HEXAGON |
MATT | MATERIAL | STEEL COMP 8735 OVERALL OR STEEL COMP 4037 OVERALL |
CMLP | THREAD QUANTITY PER INCH | 20 |
CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |