Part Number
Definition:
AN ITEM OF ANY PERIPHERAL SHAPE USUALLY HAVING ONE FLAT OR SPHERICAL SURFACE AND A CENTRALLY LOCATED HOLE. IT IS DESIGNED FOR APPLICATIONS INVOLVING MOVING (KINETIC) LOADS. EXCEPT FOR ITEMS FABRICATED FROM BEARING QUALITY SYNTHETIC (PLASTIC) OR COMPOSED OF MULTILAYER MATERIAL, ONE BEARING SURFACE MUST EITHER HAVE A SPECIFIC SURFACE FINISH DESIGNATION OF 32 MICROINCH (0.8 MICROMETRE) OR LESS, ARITHMETICAL AVERAGE (AA) (ARITHMETIC MEAN DEVIATION) OR ONE OF THE FOLLOWING CONDITIONS: BE LAPPED OR GROUND; HAVE VISIBLE OR DETECTABLE MEANS OF LUBRICATION; GROOVES, INDENTATIONS; OR SELF-LUBRICATION. THE THICKNESS MUST NOT EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OF THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS (WHEN THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE). EXCLUDES STRAIGHT, TUBULAR (WITHOUT FLANGE) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. SEE ALSO WASHER, FLAT AND SPACER, SLEEVE.
CAGE Information
| Code | Company |
|---|---|
| 81205 | THE BOEING COMPANY DBA BOEING DIV DE |
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 |
|---|---|---|
| BZLX | CORNER SHAPE | SQUARE FIRST INSIDE CORNER |
| STYL | STYLE DESIGNATOR | ROUND |
| BZLX | CORNER SHAPE | SQUARE THIRD OUTSIDE CORNER |
| BZLX | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER |
| ABKU | FLANGE THICKNESS | 0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE FOURTH OUTSIDE CORNER |
| ADUM | OVERALL THICKNESS | 0.2000 INCHES NOMINAL |
| AGGZ | SHANK OUTSIDE DIAMETER | 0.4300 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABMZ | DIAMETER | 0.2810 INCHES MINIMUM AND 0.3070 INCHES MAXIMUM |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED |
| BZLX | CORNER SHAPE | SQUARE SECOND INSIDE CORNER |
| ABKV | OUTSIDE DIAMETER | 0.8910 INCHES MINIMUM AND 0.9000 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| BZLX | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER |