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 |
|---|---|---|
| BZRR | THREAD SERIES | UNEF |
| CRSQ | COUNTERSINK ANGLE | 89.5 DEGREES MINIMUM NUT AND 90.5 DEGREES MAXIMUM NUT |
| CQJX | NOMINAL THREAD SIZE | 1.375 INCHES |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| ABQU | DRIVE POINT DEPTH | 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | NOT RATED |
| ADBG | NUT THICKNESS | 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ADBM | DRIVE POINT QUANTITY | 4 |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-354 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ACTD | NUT DIAMETER | 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ADBH | DRIVE POINT WIDTH | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |