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 |
|---|---|
| 99971 | LOCKHEED MARTIN CORP NAVAL ELECTRONI |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 6150 OVERALL |
| AASU | HEAD HEIGHT | 0.300 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| AATD | EXTENDED WASHER THICKNESS | 0.069 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASA | THREAD LENGTH | 0.500 INCHES MINIMUM |
| AAJD | THREAD CLASS | 2A |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AATB | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |