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 |
|---|---|
| 84955 | KAMAN AEROSPACE CORPORATION DBA HELI |
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 |
|---|---|---|
| CQFM | HARDNESS RATING | 90.0 ROCKWELL B NOMINAL OVERALL |
| CQFM | HARDNESS RATING | 90.0 ROCKWELL B NOMINAL OVERALL |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE |
| BZLX | CORNER SHAPE | SQUARE FIRST INSIDE CORNER |
| STYL | STYLE DESIGNATOR | ROUND |
| BZLX | CORNER SHAPE | SQUARE THIRD OUTSIDE CORNER |
| MATT | MATERIAL | COPPER ALLOY 630 OVERALL |
| BZLX | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| BZLX | CORNER SHAPE | SQUARE FOURTH OUTSIDE CORNER |
| ABKV | OUTSIDE DIAMETER | 3.7500 INCHES NOMINAL |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABMZ | DIAMETER | 3.3440 INCHES NOMINAL |
| TEST | TEST DATA DOCUMENT | 84955-CKPS212 SPECIFICATION |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED |
| ADUM | OVERALL THICKNESS | 0.5000 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AGGZ | SHANK OUTSIDE DIAMETER | 3.5022 INCHES MINIMUM AND 3.5030 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| BZLX | CORNER SHAPE | SQUARE SECOND INSIDE CORNER |
| ABKU | FLANGE THICKNESS | 0.1550 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER |