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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASB | FASTENER LENGTH | 2.255 INCHES MINIMUM AND 2.285 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AAZH | HEAD MINOR DIAMETER | 0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AASK | HEAD STYLE | SPLINE EXTENDED WASHER |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AHYM | NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATD | EXTENDED WASHER THICKNESS | 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | F/A-18E AIRCRAFT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ANEE | GRIP LENGTH | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | AGAV |
| AASU | HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.495 INCHES MINIMUM |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |