Part Number
Definition:
A TUBULAR SHAPED UNTHREADED ITEM WITH OR WITHOUT A FLANGE AT ONE END DESIGNED TO BE INSERTED INTO A HOLE TO REDUCE THE INSIDE DIAMETER OF THE HOLE AND TO PROTECT THE SURROUNDING BODY STRUCTURE FROM DAMAGE RESULTING FROM STRESS, STRAIN, AND/OR VIBRATION. THE OVERALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS OF THE BODY. INCLUDES ITEMS WHICH ARE DIVIDED INTO TWO OR MORE SEGMENTS WHICH INCLUDES 180 DEGREES (3.141 RADIANS) OR LESS OF THE BEARING PERIPHERY. FOR ITEMS MADE OF RUBBER, SEE BUSHING, NONMETALLIC. SEE ALSO BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; AND BUSHING, ELECTRICAL CONDUCTOR. EXCLUDES BUSHING, DRILL, JIG.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BEARINGS, PLAIN, UNMOUNTED
Inclusions:
INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.
Exclusions:
EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| AEPR | FLANGE OUTSIDE DIAMETER | 0.7500 INCHES MINIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | SOLID |
| TEST | TEST DATA DOCUMENT | 78286-SS8805 SPECIFICATION |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| ABHP | OVERALL LENGTH | 0.7300 INCHES MINIMUM AND 0.7350 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| AGFF | FLANGE WIDTH | 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |