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Tronair®
Manufacturer part number K-4189 · Shop & hangar supplies
K-4189 is listed in the PartsPerk catalog for sourcing requests. Seller SKU SGP119988. Manufacturer: Tronair®. Tronair® K-4189 Check Valve Kit. This page does not claim stock, price, or approved interchange.
Stock, price, and certification gaps can be filed through the Aviation Evidence Network — this link opens identity review; it does not invent availability or certificates.
Verbatim ingest text — kept for provenance, not rewritten. The structured specifications below break the same facts into individually labeled fields.
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 4 pounds ECCN EAR99 Manufacturer P/N K-4189 Schedule B Code 8431.20.0000 Pack Quantity 1 Tronair K4189 Check Valve Replacement Kit
Structured fields from the owned catalog observation. Source assertions are not live certificates, stock, or prices.
Identifiers
Category
Shop & hangar supplies
Observed package
SGP119988 · Pack Quantity 1 (unapproved) · sale increment 1 ea · selected PP-7fab86e1848b562896159bb3efd79f2b-V1
Enrichment obligation
Published facts on this page are the available identification and package observations. Source-linked explanations, pack comparisons, and corrections remain open — this is not a mass rewrite.
Open review issues
Technical documents
Commercial offers
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Where this identity sits in the catalog, which buyer contexts route through it, and which markets are in sourcing scope.
PartsPerk catalog pages show PartsPerk-owned observations only. They are not live stock, not certification, and not OEM affiliation. Exact PN/NSN identity is for sourcing review; publication and sellability require separate approval.
Published rows filed under the same observed category. Shared category is a filing grouping only — it is not an interchange, supersession, or fit claim.