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 |
|---|---|---|
| ABMR | INTERNAL KEY QUANTITY | 1 |
| AAUB | HOLE DIAMETER | 0.256 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 7 |
| MATT | MATERIAL | STEEL COMP 1015 OVERALL |
| ABPX | MATERIAL THICKNESS | 0.030 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.634 INCHES NOMINAL |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.095 INCHES NOMINAL |
| HEAT | HEAT TREATMENT | COLD ROLLED |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.055 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | KEY |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.094 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.374 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| FEAT | SPECIAL FEATURES | 2 EXTERNAL KEYS WITH 0.047 IN HOLES,0.266 IN FROM CENTER,SPACED 2 KEYS APART ONE ABOVE INTERNAL KEY |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |