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 |
---|---|
02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AATC | EXTENDED WASHER DIAMETER | 0.933 INCHES NOMINAL |
AATB | WIDTH BETWEEN FLATS | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNJF |
MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
CMLP | THREAD QUANTITY PER INCH | 18 |
AAJD | THREAD CLASS | 3A |
AASU | HEAD HEIGHT | 0.557 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 1.025 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
AASB | FASTENER LENGTH | 4.963 INCHES NOMINAL |
AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
AATD | EXTENDED WASHER THICKNESS | 0.133 INCHES NOMINAL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8867, TYPE II OR TYPE III, CLASS 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL |