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 |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| ABQU | DRIVE POINT DEPTH | 0.094 INCHES NOMINAL |
| CQFM | HARDNESS RATING | NOT RATED |
| ABPH | SMALL END DIAMETER | 2.480 INCHES NOMINAL |
| AAJE | THREAD PITCH DIAMETERS | +2.1175/+2.1221 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION J |
| CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT |
| AGGP | DRILLED HOLE DIAMETER | 0.067 INCHES NOMINAL |
| ADBH | DRIVE POINT WIDTH | 0.020 INCHES NOMINAL |
| ALET | HOLE TYPE AND QUANTITY | 8 DRILLED |
| AZKQ | TEMP RATING | NOT RATED |
| ADBM | DRIVE POINT QUANTITY | 8 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| ACTA | NUT STYLE | ROUND |
| ADBG | NUT THICKNESS | 0.312 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 2.155 INCHES |
| ACTD | NUT DIAMETER | 2.750 INCHES NOMINAL |
| ADBJ | UNDERCUT THICKNESS | 0.212 INCHES NOMINAL |
| BZRR | THREAD SERIES | BUTTRESS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |