Part Number
Definition:
A NUT, CIRCULAR IN SHAPE, WHICH MAY HAVE WRENCHING FACILITIES SUCH AS FLATS, HOLES, PROTRUSIONS, SLOTS OR SPLINES IN OR ON THE PERIPHERY OR IN THE FACE OPPOSITE THE BEARING SURFACE. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE OUTSIDE DIAMETER, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. SEE ALSO NUT (1), PLAIN, KNURLED. (WHEN HEIGHT OR THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)
CAGE Information
| Code | Company |
|---|---|
| 76040 | MACK TRUCKS INC PARTS OPN |
Federal Supply Class
Title
NUTS AND WASHERS
Inclusions:
INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.
Exclusions:
EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 2.559 INCHES |
| CQJX | NOMINAL THREAD SIZE | 2.559 INCHES |
| ADBH | DRIVE POINT WIDTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNS |
| ABPH | SMALL END DIAMETER | 2.680 INCHES MINIMUM AND 2.700 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | NOT RATED |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| ADBM | DRIVE POINT QUANTITY | 4 |
| AZKQ | TEMP RATING | NOT RATED |
| MATT | MATERIAL | STEEL OVERALL |
| ACTD | NUT DIAMETER | 4.240 INCHES MINIMUM AND 4.260 INCHES MAXIMUM |
| ABQU | DRIVE POINT DEPTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| AAJE | THREAD PITCH DIAMETERS | +2.5049/+2.5103 INCHES |
| ADBJ | UNDERCUT THICKNESS | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |