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 |
---|---|
K1678 | FAIRCHILD FASTENERS UK LTD |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE FASTENER OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
AASB | FASTENER LENGTH | 1.145 INCHES MINIMUM AND 1.175 INCHES MAXIMUM |
CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNJF |
AASL | HEAD DIAMETER | 0.486 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3A |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
AASA | THREAD LENGTH | 0.456 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
FEAT | SPECIAL FEATURES | FURNISHED WITH PLUMGER AND PAWL AMS 5629; BALL QQ-S-763 COMP 440C |
CSYM | SURFACE FINISH | 32.0 MICROINCHES OVERALL |
MATT | MATERIAL | STEEL CORROSION RESISTING SPRING OR COBALT ALLOY SPRING |
MATT | MATERIAL | TITANIUM ALLOY UNS R56400 FASTENER |
ANEE | GRIP LENGTH | 0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM |
AAUM | LOCKING FEATURE | DETENT BALL HEAD |