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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,CONDC MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-6758,CONDC MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ADBJ | UNDERCUT THICKNESS | 0.050 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNS |
| CSPF | HOLE NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ABQU | DRIVE POINT DEPTH | 0.137 INCHES NOMINAL |
| ACTD | NUT DIAMETER | 3.094 INCHES NOMINAL |
| CRSQ | COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM NUT AND 95.0 DEGREES MAXIMUM NUT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION J |
| CQJX | NOMINAL THREAD SIZE | 2.312 INCHES |
| CQTW | HOLE THREAD QUANTITY PER INCH | 32 |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| ALET | HOLE TYPE AND QUANTITY | 8 TAPPED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL OR QQ-P-416,TYPE 3,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| ABPH | SMALL END DIAMETER | 2.720 INCHES NOMINAL |
| ADBM | DRIVE POINT QUANTITY | 8 |
| ADBG | NUT THICKNESS | 0.500 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| ACTA | NUT STYLE | ROUND |
| ADBH | DRIVE POINT WIDTH | 0.250 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |