Part Number
Part Number:
NSN:
NIIN:
Item Name:
BEARING , WASHER , THRUST
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 |
| 19207 |
U S ARMY TANK AUTOMOTIVE COMMAND AMS |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| STYL |
STYLE DESIGNATOR |
ROUND |
| ABKV |
OUTSIDE DIAMETER |
4.4900 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
60.0 ROCKWELL B NOMINAL OVERALL |
| AAGR |
CROSS-SECTIONAL SHAPE STYLE |
RECTANGULAR |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-B-13501 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABMX |
CENTER HOLE SHAPE STYLE |
ROUND |
| ADUM |
OVERALL THICKNESS |
0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM |
| ABMZ |
DIAMETER |
3.5100 INCHES MINIMUM AND 3.5200 INCHES MAXIMUM |
| MATT |
MATERIAL |
COPPER ALLOY 546-CANCELED OVERALL |
| BZLX |
CORNER SHAPE |
SQUARE ALL CORNERS |
| CTLM |
LUBRICATION FEATURE |
GROOVE FLAT BEARING SURFACE |
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