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 |
|---|---|
| 43999 | BOEING COMPANY THE DBA BOEING DIV DE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AATC | EXTENDED WASHER DIAMETER | 0.839 INCHES MINIMUM AND 0.849 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | REQUESTED NAME-TENSION BOLT |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJD | THREAD CLASS | 3A |
| AATD | EXTENDED WASHER THICKNESS | 0.091 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.340 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| SFTT | SURFACE TREATMENT | ALUMINUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS |
| CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| AAUR | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-85614 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ANEE | GRIP LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.643 INCHES NOMINAL |
| ASXK | HOLE QUANTITY | 4 |
| AATB | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | B-1B |
| HUES | COLOR | BLACK THREADS |
| BQDM | HOLE TYPE | DRILLED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.440 INCHES MINIMUM AND 1.470 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.3750 INCHES |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |