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 |
|---|---|
| 01220 | SYSTRON-DONNER CORP MICROWAVE/INSTRU |
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 THIRD INSIDE CORNER |
| BZLX | CORNER SHAPE | SQUARE THIRD INSIDE CORNER |
| ABMZ | DIAMETER | 0.1630 INCHES MINIMUM AND 0.1690 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.0490 INCHES MINIMUM AND 0.0510 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE FIRST INSIDE CORNER |
| STYL | STYLE DESIGNATOR | ROUND |
| AAWY | COUNTERBORE DIAMETER | 0.2500 INCHES NOMINAL |
| BZLX | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER |
| BZLX | CORNER SHAPE | SQUARE FOURTH INSIDE CORNER |
| MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| AAWZ | COUNTERBORE DEPTH | 0.0200 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.3290 INCHES MINIMUM AND 0.3390 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE SECOND INSIDE CORNER |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| SFCD | SURFACE CONDITION | GROUND |
| BZLX | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER |