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 |
|---|---|
| 81996 | U S ARMY AVIATION AND MISSILE COMMAN |
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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| BZRR | THREAD SERIES | UNS |
| ABQU | DRIVE POINT DEPTH | 0.102 NOMINAL MILS AND 0.109 NOMINAL CENTIMETERS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| CQJX | NOMINAL THREAD SIZE | 2.563 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| ADBG | NUT THICKNESS | 0.300 INCHES MINIMUM AND 0.304 INCHES MAXIMUM |
| ADBM | DRIVE POINT QUANTITY | 8 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| ACTA | NUT STYLE | ROUND |
| ADBH | DRIVE POINT WIDTH | 0.240 NOMINAL MILS AND 0.260 NOMINAL CENTIMETERS |
| AAJE | THREAD PITCH DIAMETERS | +2.5219/+2.5273 INCHES |
| ACTD | NUT DIAMETER | 3.000 INCHES MINIMUM AND 3.004 INCHES MAXIMUM |