Part Number
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE UNTHREADED PORTION IS OF A SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS ONE INCH (25 MM) OR LESS IN DIAMETER. ITEMS OVER ONE INCH (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN-THOUSANDTHS (0.0015) OF AN INCH (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER, NOR IS IT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS HAVING CLOSE TOLERANCE, AND FABRICATED FROM MATERIAL HAVING 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH, SEE BOLT, SHEAR. FOR ITEMS FABRICATED FROM MATERIAL HAVING LESS THAN 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH AND NOT HAVING A CLOSE TOLERANCE, SEE BOLT, MACHINE.
CAGE Information
| Code | Company |
|---|---|
| 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.617 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.617 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.573 INCHES MINIMUM FIRST HOLE AND 3.680 INCHES MAXIMUM FIRST HOLE |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASB | FASTENER LENGTH | 3.770 INCHES MINIMUM AND 3.790 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.369 INCHES MINIMUM AND 0.482 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| ANEE | GRIP LENGTH | 3.188 INCHES MINIMUM AND 3.204 INCHES MAXIMUM |
| AASK | HEAD STYLE | DISHED HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| AAUR | GRIP DIAMETER | 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| AASU | HEAD HEIGHT | 0.220 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| FEAT | SPECIAL FEATURES | W/RETAINING ELEMENT ON SHANK |