MB543DD
View detailed technical data, stock status, and sourcing information for: MB543DD
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A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
2 seal quantity, 1.5625 inches nominal bore diameter, 0.2500 inches nominal outer ring width, 0.2810 inches nominal inner ring width, 2.0000 inches nominal overall outside diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Bore Diameter
- 1.5625 inches nominal
- Overall Outside Diameter
- 2.0000 inches nominal
- Outer Ring Width
- 0.2500 inches nominal
- Inner Ring Width
- 0.2810 inches nominal
- Seal Quantity
- 2
- Bearing Seal Type
- contact
- Load Direction
- radial
- Standard Tolerance Designation
- afbma std tolerance for airframe ball bearings
- Special Features
- heat stabilized for operation at 250 deg f; 80 pct full of specified lubricant
- Lubrication Material
- grease
- Lubrication Material Document And Classification
- mil-g-81322 mil spec single material response
- Material
- plastic polytetrafluoroethylene or plastic polytetrafluoroethylene and glass fiber seal
- Material
- steel comp e51100 or steel comp e52100 ball
- Material
- steel comp e52100 inner ring
- Material
- steel comp e52100 outer ring
- Material Document And Classification
- 66 fed std all material responses ball
- Material Document And Classification
- 66 fed std single material response inner ring
- Material Document And Classification
- 66 fed std single material response outer ring
- Material Document And Classification
- ams 3652 assn std 1st material response seal
- Surface Treatment
- cadmium exposed surfaces as mounted
- Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 2 fed spec single treatment response exposed surfaces as mounted
- Style Designator
- single row inner ring extended both sides
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3110-00-443-8209 | No Name Available | 04/01/1986 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| MB543DD | Airframe Ball Bearing |
| MS21428-43 | Airframe Ball Bearing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3110-01-115-4363?
Does the NSN 3110-01-115-4363 have a Schedule B code assigned?
Does NSN 3110-01-115-4363 require demilitarization?
Does NSN 3110-01-115-4363 contain precious materials?
Does NSN 3110-01-115-4363 contain hazardous materials?
When the NSN 3110-01-115-4363 was assigned to the Federal Catalog?
Professional Distribution
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- AS9120 Quality Standards
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Pricing
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