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 |
|---|---|
| 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 |
|---|---|---|
| BZRR | THREAD SERIES | UNS |
| ADBG | NUT THICKNESS | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| ACTD | NUT DIAMETER | 3.530 INCHES NOMINAL |
| ALET | HOLE TYPE AND QUANTITY | 16 TAPPED |
| ABQU | DRIVE POINT DEPTH | 0.530 INCHES NOMINAL |
| CSPF | HOLE NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ADBJ | UNDERCUT THICKNESS | 0.130 INCHES NOMINAL |
| CQTW | HOLE THREAD QUANTITY PER INCH | 20 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION J |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CQJX | NOMINAL THREAD SIZE | 2.312 INCHES |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| ADBM | DRIVE POINT QUANTITY | 8 |
| 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 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| ABPH | SMALL END DIAMETER | 3.000 INCHES NOMINAL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |