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 |
|---|---|
| 56878 | SPS TECHNOLOGIES LLC DBA AEROSPACE D |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.767 INCHES MINIMUM AND 0.787 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.767 INCHES MINIMUM AND 0.787 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 1.428 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.560 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| CQFM | HARDNESS RATING | 51.0 ROCKWELL C MINIMUM OVERALL AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| AAJD | THREAD CLASS | 3A |
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| MATT | MATERIAL | STEEL OVERALL |
| AATB | WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| ANEE | GRIP LENGTH | 1.385 INCHES NOMINAL |
| AATD | EXTENDED WASHER THICKNESS | 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 1.175 INCHES NOMINAL |
| AAUR | GRIP DIAMETER | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |