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 |
|---|---|---|
| CRSQ | COUNTERSINK ANGLE | 89.5 DEGREES MINIMUM NUT AND 90.5 DEGREES MAXIMUM NUT |
| BZRR | THREAD SERIES | UNS |
| ACTD | NUT DIAMETER | 1.531 INCHES MINIMUM AND 1.594 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AN-P-16 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| ABQU | DRIVE POINT DEPTH | 0.062 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| AAJE | THREAD PITCH DIAMETERS | +0.9487/+0.9521 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ADBG | NUT THICKNESS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AZKQ | TEMP RATING | NOT RATED |
| CQJX | NOMINAL THREAD SIZE | 0.969 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| ADBM | DRIVE POINT QUANTITY | 8 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| ADBH | DRIVE POINT WIDTH | 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |