Part Number
Definition:
A WASHER OF NONRESILIENT MATERIAL USUALLY HAVING TWO PARALLEL BEARING SURFACES. THE OUTSIDE AND/OR INSIDE EDGES HAVE ONE OR MORE PROTUBERANCES. THE ENDS AND/OR EDGES MAY BE PREBENT AT ANY ANGLE OR THE PROTUBERANCES MAY BE PREBENT AT ANY ANGLE TO THE BEARING SURFACES. THE KEYS OR LUGS MAY BE FITTED INTO KEYWAYS IN ADJACENT MATERIAL OR THEY MAY BE BENT OVER AFTER APPLICATION TO HOLD OR LOCK ONE OR MORE ITEMS IN PLACE. EXCLUDES THRUST TYPE WASHER.
CAGE Information
| Code | Company |
|---|---|
| 84955 | KAMAN AEROSPACE CORPORATION DBA HELI |
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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR TIN OVERALL |
| ABMR | INTERNAL KEY QUANTITY | 2 |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| ABKV | OUTSIDE DIAMETER | 2.375 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 1.560 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | KEY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| FEAT | SPECIAL FEATURES | 18HOLES0.195IN.DIAMIN,0.201IN.DIAMAXEQUALLYSPACED.6HOLES0.046IN.DIAMIN,0.052IN.DIAMAXEQUALLYSPACED |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C NOMINAL OR 92.0 ROCKWELL B NOMINAL |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.156 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.063 INCHES NOMINAL |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.685 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |