Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , CLOSE TOLERANCE
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 |
| 76301 |
BOEING COMPANY THE DBA BOEING |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASU |
HEAD HEIGHT |
0.701 INCHES MINIMUM AND 0.721 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.701 INCHES MINIMUM AND 0.721 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.803 INCHES MINIMUM AND 0.814 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AATC |
EXTENDED WASHER DIAMETER |
1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATD |
EXTENDED WASHER THICKNESS |
0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASB |
FASTENER LENGTH |
2.912 INCHES MINIMUM AND 2.942 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
16 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.750 INCHES |
| AASA |
THREAD LENGTH |
1.027 INCHES MINIMUM AND 1.077 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |
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