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 |
|---|---|
| 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 |
|---|---|---|
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.688 INCHES NOMINAL |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | KEY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 2.250 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 1.992 INCHES MINIMUM AND 2.017 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 17 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |