3091B
View detailed technical data, stock status, and sourcing information for: 3091B
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A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
straight face, double scraper, ventilated oil control cross-sectional shape style, 0.2485 inches nominal overall width, 0.1545 inches minimum and 0.1695 inches maximum radial wall thickness, 4.375 inches standard bore diameter, concentric ring style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Cross-Sectional Shape Style
- straight face, double scraper, ventilated oil control
- Ring Style
- concentric
- Radial Wall Thickness
- 0.1545 inches minimum and 0.1695 inches maximum
- Overall Width
- 0.2485 inches nominal
- Standard Bore Diameter
- 4.375 inches
- Joint Style
- vertical joint
- Oil Passage Type And Quantity
- 1 groove outside periphery
- Oil Passage Type And Quantity
- 6 slot or 8 slot horizontally through ring
- Material
- iron overall
- Fsc Application Data
- piston,air compressor
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 |
|---|---|
| 156414PC151 | Piston Ring |
| 157013PC151 | Piston Ring |
| 157016PC151 | Piston Ring |
| 157437PC151 | Piston Ring |
| 157440PC151 | Piston Ring |
| 200110RPC235 | Piston Ring |
| 3091B | Piston Ring |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4310-00-131-2901?
Does the NSN 4310-00-131-2901 have a Schedule B code assigned?
Does NSN 4310-00-131-2901 require demilitarization?
Does NSN 4310-00-131-2901 contain precious materials?
Does NSN 4310-00-131-2901 contain hazardous materials?
When the NSN 4310-00-131-2901 was assigned to the Federal Catalog?
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