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 |
|---|---|
| 15653 | ALCOA GLOBAL FASTENERS INC. |
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 | 0.250 INCHES |
| PRMT | PRECIOUS MATERIAL | SILVER |
| PMLC | PRECIOUS MATERIAL AND LOCATION | EXTERNAL SURFACES SILVER |
| ASDB | WIDTH ACROSS FLATS | 0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| ADBG | NUT THICKNESS | 0.468 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| FEAT | SPECIAL FEATURES | 0.072 IN. MIN,0.084 IN. MAX SHOULDER OPPOSITE LOCKING PORTION |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| AAJD | THREAD CLASS | 3B |
| ACTD | NUT DIAMETER | 0.620 INCHES NOMINAL |
| ADFK | NUT COUNTERBORE DEPTH | 0.072 INCHES MINIMUM NUT AND 0.084 INCHES MAXIMUM NUT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5736 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ACTA | NUT STYLE | ROUND |
| CQFM | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| AZKQ | TEMP RATING | 1200.0 DEG FAHRENHEIT NOMINAL |
| AAWY | COUNTERBORE DIAMETER | 0.264 INCHES MINIMUM NUT AND 0.269 INCHES MAXIMUM NUT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| BZRR | THREAD SERIES | UNJF |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |