Part Number
Definition:
A NUT, ROUND IN SHAPE, HAVING ALL OR PART OF ITS OUTER SURFACE KNURLED. IT MAY HAVE PROVISIONS FOR EXTERNAL WRENCHING. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE OUTSIDE DIAMETER, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. SEE ALSO NUT (1), PLAIN, ROUND. (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 |
|---|---|
| 18355 | BOEING COMPANY THE DBA BOEING DIV DE |
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 |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 2.875 INCHES |
| CQJX | NOMINAL THREAD SIZE | 2.875 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| CQFM | HARDNESS RATING | 25.0 ROCKWELL C MAXIMUM AND 32.0 ROCKWELL C MAXIMUM |
| ADBK | KNURL WIDTH | 0.288 INCHES MINIMUM AND 0.308 INCHES MAXIMUM |
| ACTD | NUT DIAMETER | 3.552 INCHES MINIMUM AND 3.572 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ADBG | NUT THICKNESS | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| BZRR | THREAD SERIES | UN |
| ABPH | SMALL END DIAMETER | 3.302 INCHES MINIMUM AND 3.322 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | SLOT CUT IN SMALL END 0.046 IN WIDE |
| ACTA | NUT STYLE | KNURLED |