FUEL CAP ASSY (P/N 457) - As Removed

Part 457 is a fuel cap assembly that seals the aircraft fuel tank filler neck during refueling and flight operations. The assembly features an elastomer O-ring seal interface per MS27379 specifications to prevent fuel contamination and spillage. Available in vented or non-vented configurations depending on aircraft design requirements.

Installation involves mating the cap to the tank filler opening and securing per the aircraft maintenance manual. Verify compatibility and venting specification in the Illustrated Parts Catalog before installation.

What is the FUEL CAP ASSY (P/N 457)?

Part 457 is a fuel cap assembly that seals the aircraft fuel tank filler neck during refueling and flight operations. The assembly features an elastomer O-ring seal interface per MS27379 specifications to prevent fuel contamination and spillage.

Is the 457 compatible with AVGAS and Jet-A fuels?

Fuel system components are designed for specific fuel types per their engineering specifications. The FUEL CAP ASSY should be verified against your aircraft's fuel system requirements. Currently available in: As Removed. Contact us for fuel compatibility details.

Does the 457 require companion seals or gaskets for installation?

Many fuel system components require new gaskets, O-rings, or seals during installation. Check your aircraft maintenance manual for the FUEL CAP ASSY installation requirements. We stock related sealing components and can help identify companion parts.

Are there shipping restrictions for the 457?

Most fuel system hardware ships via standard methods. Certain items containing fuel residue may require hazmat shipping procedures. We handle all packaging and shipping compliance. Same-day processing available for in-stock items.