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 |
|---|---|---|
| ADBH | DRIVE POINT WIDTH | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 2.875 INCHES |
| ABQU | DRIVE POINT DEPTH | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | NOT RATED |
| ACTD | NUT DIAMETER | 3.375 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL AND PAINT OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/4,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ADBM | DRIVE POINT QUANTITY | 4 |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| BZRR | THREAD SERIES | UN |
| ACTA | NUT STYLE | ROUND |
| ADBG | NUT THICKNESS | 0.312 INCHES NOMINAL |