Part Number
O-Ring · OEM / vendor part number · NSN 5331-00-419-2973
| Part number | 2-019E0540-80 |
|---|---|
| Specification family | OEM / vendor part number |
| Item name | O-Ring |
| Alternate references | AS568B-019; AS568B-019-D52229-PIECE; 2-19E540-8; 2-019 E540-80; 2-019E540-80; ARP568-019 E540 -80 |
| Unit of issue | EA |
| Cross-referenced NSN | 5331-00-419-2973 |
| Federal Supply Class (FSC) | 5331 — O-Rings |
| Unit price (USD) | $0.43 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this o-ring. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Cross-Sectional Height | 0.067 Inches Minimum And 0.073 Inches Maximum |
|---|---|
| Hardness Rating | 80.0 Shore Durometer A Nominal |
| Material | Rubber Ethylene-Propylene Class Epm |
| Outside Diameter | 0.926 Inches Minimum And 0.956 Inches Maximum |
Precision elastomeric sealing rings of circular cross-section used for static and dynamic sealing in grooves and glands.
Reading the part number. 2-019E0540-80 is a vendor part number for this o-ring. If your documentation lists a different reference for the same item, include it on the quote and we will confirm the cross-reference.
Price in context. Across the 594 items we currently stock in FSC 5331 (O-Rings), published unit prices run from $0.14 to $3,504.60. At $0.43, this item sits well below the class median of $5.25 — commodity hardware usually bought in volume.
Who orders 2-019E0540-80. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5331-00-419-2973. You can order by part number or by stock number — it is the same item, the same published price, and the same quote form.
Applicable standards. AS568 dash sizes, MIL-P-5510 / SAE AS5857; nitrile, fluorocarbon (Viton), EPDM, and silicone compounds.
Need this part modified, or a similar part made to your print? See our U.S.-based CNC machining services and aerospace machining capability.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
Items are supplied as stock mil-spec / commercial hardware with source documentation and country-of-origin paperwork on every order. Parts are not supplied with an FAA Form 8130-3 airworthiness tag unless expressly stated on the quote. Buyers installing hardware on certificated aircraft are responsible for acceptance under their own maintenance program, repair station procedures, or owner/operator authority.
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