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 |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.752 INCHES MINIMUM AND 1.759 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 2.000 INCHES NOMINAL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.058 INCHES NOMINAL |
| HEAT | HEAT TREATMENT | ANNEALED |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.375 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 1.579 INCHES MINIMUM AND 1.583 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | KEY |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | NICKEL ALLOY A OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL |
| ABMQ | EXTERNAL KEY QUANTITY | 15 |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |