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 |
| AAGR |
CROSS-SECTIONAL SHAPE STYLE |
RECTANGULAR |
| MATT |
MATERIAL |
STEEL COMP 8620H OVERALL |
| ABMX |
CENTER HOLE SHAPE STYLE |
ROUND |
| ADZG |
LUBRICATION MATERIAL |
GREASE |
| CQFM |
HARDNESS RATING |
58.0 ROCKWELL C MINIMUM OVERALL AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| ABKV |
OUTSIDE DIAMETER |
1.6870 INCHES NOMINAL |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES OVERALL |
| ABMZ |
DIAMETER |
0.9940 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM |
| BZLX |
CORNER SHAPE |
SQUARE ALL CORNERS |
| CBBL |
FEATURES PROVIDED |
CASEHARDENED |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ADUM |
OVERALL THICKNESS |
0.1220 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM |
| FEAT |
SPECIAL FEATURES |
GROOVES 180 DEG APART |
| CTLM |
LUBRICATION FEATURE |
GROOVE FLAT BEARING SURFACE |
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