Part Number
Definition:
A NUT, CIRCULAR IN SHAPE, WHICH MAY HAVE WRENCHING FACILITIES SUCH AS FLATS, HOLES, PROTUSIONS, SLOTS OR SPLINES IN OR ON THE PERIPHERY OR IN THE FACE OPPOSITE THE BEARING SURFACE. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. DO NOT USE IF A MORE SPECIFIC ITEM NAME APPLIES. EXCLUDES COLLAR, PIN-RIVET, THREADED; INSERT, SCREW THREAD; NUT (1), SLEEVE; NUT(1), PLAIN, CAP; AND TURNBUCKLE BODY.
CAGE Information
| Code | Company |
|---|---|
| 55820 | HAMILTON SUNDSTRAND CORPORATION DIV |
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 OVERALL EXCEPT INSERT |
| CQJX | NOMINAL THREAD SIZE | 1.767 INCHES |
| ABQU | DRIVE POINT DEPTH | 0.094 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNS |
| ADBG | NUT THICKNESS | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| ACTD | NUT DIAMETER | 2.517 INCHES MINIMUM AND 2.532 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | NOT RATED |
| ADBJ | UNDERCUT THICKNESS | 0.194 INCHES NOMINAL |
| AZKQ | TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| AAJE | THREAD PITCH DIAMETERS | +1.7309/+1.7354 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ADBM | DRIVE POINT QUANTITY | 4 |
| ABPH | SMALL END DIAMETER | 2.141 INCHES NOMINAL |
| ACTA | NUT STYLE | ROUND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 492 GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL EXCEPT INSERT OR PHOSPHATE OVERALL EXCEPT INSERT |
| ADBH | DRIVE POINT WIDTH | 0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |