National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| D20087-8 | 81982 | A | 3 | 2 | X | XX |
CAGE Information
| Code | Company |
|---|---|
| 81982 | HYDRO-AIRE INC. |
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 |
|---|---|---|
| ADUM | OVERALL THICKNESS | 0.0700 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE |
| STYL | STYLE DESIGNATOR | ROUND |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| ABKV | OUTSIDE DIAMETER | 0.9300 INCHES MINIMUM AND 0.9400 INCHES MAXIMUM |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| ADZG | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD |
| ABMZ | DIAMETER | 0.5625 INCHES MINIMUM AND 0.5645 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES RIGHT SIDE |