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 |
---|---|
74965 | CLARK-RELIANCE CORPORATION DBA JERGU |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASU | HEAD HEIGHT | 0.235 INCHES NOMINAL |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
CMLP | THREAD QUANTITY PER INCH | 18 |
AAJD | THREAD CLASS | 3A |
AATB | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AASA | THREAD LENGTH | 0.375 INCHES MAXIMUM |
TEST | TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION |
CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
MATT | MATERIAL | STEEL OVERALL |
SPCL | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
THSD | THREAD SERIES DESIGNATOR | UNC |
AASK | HEAD STYLE | HEXAGON |
CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
AASB | FASTENER LENGTH | 0.375 INCHES NOMINAL |