Part Number
Definition:
A HIGH STRENGTH, 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH EXTERNALLY THREADED FASTENER DESIGNED FOR USE IN APPLICATIONS INVOLVING GREAT SHEAR STRESS. THE HEAD IS DESIGNED TO ACCOMMODATE AN EXTERNAL WRENCH OR DRIVER. 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. THE UNTHREADED PORTION IS OF SPECIFIC 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. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE BOLT, MACHINE AND BOLT, CLEVIS.
CAGE Information
| Code | Company |
|---|---|
| 17446 | HUCK INTERNATIONAL INC. DBA ALCOA FA |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| AATD | EXTENDED WASHER THICKNESS | 0.054 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AATC | EXTENDED WASHER DIAMETER | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM |
| AASK | HEAD STYLE | SPLINE EXTENDED WASHER |
| AASA | THREAD LENGTH | 0.614 INCHES NOMINAL |
| ANEE | GRIP LENGTH | 1.250 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUR | GRIP DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| AAZH | HEAD MINOR DIAMETER | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| AASB | FASTENER LENGTH | 1.864 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 0.337 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |