0
0271401 | National Aviation
0271401 | National Aviation
In stock

0271401

by Auburn Spitfire

Part 271401 uses a high-conductivity copper core center electrode that is co-extruded inside a nickel alloy sleeve.

$20.00
Shipping calculated at checkout.
Ready to Ship
20 in stock - $20.00
Ships within 48 hours
Loading availability...

Pickup available at National Aviation, Inc.

Usually ready in 1 hour

Free Shipping for orders over $350

Free standard shipping on all orders over $350 to the United States and Canada. Expedited shipping options are available at checkout for an additional cost.

Orders under $350 will show applicable shipping costs during checkout. Most orders ship within 1-2 business days.

We offer refund, return, and exchange options within 30 days of your purchase for eligible items. Products must be unused and in original packaging. We do not accept refund, return, or exchange requests after 30 days.

For complete details, visit our Shipping Policy and Returns & Refunds Policy.

FAA Approved

Our aviation parts and pilot gear meet FAA standards, giving you confidence and reliability in every flight.

Secure payments


Shop with confidence using our secure, encrypted checkout to protect your personal and payment information.

Fast Order Processing


Orders are processed the same business day, ensuring your parts and pilot gear reach you without delay.

Product Description

Massive-electrode aviation spark plug for aircraft engine ignition systems, used where a URHB37E style plug is specified for reliable ignition performance.

0 1. Overview

This aviation spark plug uses a high-conductivity copper core center electrode that is co-extruded inside a nickel alloy sleeve to provide strong heat and electrical conductivity together with resistance to corrosive combustion gases. A high alumina ceramic insulator with a proprietary glaze supplies mechanical strength and dielectric performance for demanding operating conditions. Nickel ground electrodes are configured to reduce required sparking voltage while maintaining specification gaps to promote large, stable flame kernels during ignition. A proprietary glass center seal forms a fired-in resistor in place of multipart resistor stacks, and a vacuum-infused center electrode process seals the electrode-to-insulator interface to stabilize heat range and cooling. A Hot-Lock assembly process creates a shrunk-in, zero-leakage seal between insulator and shell, and the harness wire contact uses an oxide-treated spring contact that is chemically bonded to the resistor to support dependable energy transfer. Technical data from one listing identifies the plug as manufactured in the United States, with an ECCN of 9A991.d and Schedule B code 8511.10.0000, supplied as a single plug per pack and described with a silver finish.

0 2. Key Features

  • Massive-electrode aviation spark plug configuration
  • High-conductivity copper core center electrode in a nickel alloy sleeve
  • High-alumina ceramic insulator with protective glaze
  • Nickel ground electrodes designed to limit required sparking voltage
  • Proprietary fired-in glass center seal resistor design
  • Vacuum-infused center electrode to control heat transfer and cooling
  • Hot-Lock insulator-to-shell assembly for a tight combustion gas seal
  • Harness wire contact using an oxide-treated spring contact surface
  • Identified country of origin as United States on one technical listing
  • Listed ECCN 9A991.d and Schedule B code 8511.10.0000
  • Pack quantity specified as 1 plug with a silver color designation
0 3. Specifications

Reference plug designation: URHB37E
Electrode type: Massive electrode
Center electrode: Copper core co-extruded in nickel alloy sleeve
Insulator: High alumina ceramic with protective glaze
Ground electrodes: Nickel
Country of origin: United States
ECCN: 9A991.d
Schedule B code: 8511.10.0000
Pack quantity: 1
Color: Silver
Approximate product weight: 0.25 lb

FAQs

01. What electrode configuration is used in the 271401 aviation spark plug?

The 271401 aviation spark plug uses a massive-electrode configuration associated with the URHB37E designation.

02. What materials are used in the center electrode of part 271401?

Part 271401 uses a high-conductivity copper core center electrode that is co-extruded inside a nickel alloy sleeve.

03. What type of insulator is used in this aviation spark plug?

The spark plug uses a high alumina ceramic insulator with a proprietary protective glaze.

04. How does the plug design address sealing between the insulator and shell?

A Hot-Lock assembly process creates a shrunk-in, zero-leakage seal between the insulator and shell to contain combustion gases.

05. What export control classification is associated with this spark plug?

One technical listing identifies this spark plug with ECCN 9A991.d and Schedule B code 8511.10.0000.

Didn’t find your answer?

Don't hestitate to contact us, we’ll reply as soon as possible.

Contact Us