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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| HEAT | HEAT TREATMENT | ANNEALED |
| STYL | STYLE DESIGNATOR | KEY |
| AAUB | HOLE DIAMETER | 2.006 INCHES MINIMUM AND 2.016 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.948 INCHES MINIMUM AND 1.953 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 3.031 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 19 |
| ABPX | MATERIAL THICKNESS | 0.063 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| ABKV | OUTSIDE DIAMETER | 2.625 INCHES MINIMUM AND 2.645 INCHES MAXIMUM |