AIRPATH INSTRUMENT CO C21-100 Magnetic Diaphragm Co.

( Brand: Airpath Instrument Co ), ( Manufacturer Part Number: C21-100 ), ( Part Type: Instrument )

Review AIRPATH INSTRUMENT CO Co. Magnetic Diaphragm fits COMPASS

The AirPath C21-100 Magnetic Compass Diaphragm is a high-precision component designed for use in magnetic compass systems. This diaphragm, made of anodized aluminum, measures 100mm in diameter and 2mm in thickness, providing a large sensing area for improved accuracy in magnetic sensing applications.

The surface of the diaphragm is coated with a special magnetic material, allowing it to respond efficiently to magnetic field variations. The anodized aluminum coating not only protects the magnetic material but also ensures a smooth and even surface for optimal magnetic sensing.

The AirPath C21-100 Magnetic Compass Diaphragm comes with a built-in gasket, ensuring a tight seal and preventing any potential leakage. This feature makes it suitable for use in harsh environments where moisture or other contaminants may be present.

The diaphragm's design enables it to be easily integrated into various compass systems due to its standard size and flat bottom. Its lightweight construction, despite its large size, contributes to the overall efficiency of the compass system.

The AirPath C21-100 Magnetic Compass Diaphragm is manufactured to meet the highest standards of quality and accuracy. It undergoes rigorous testing to ensure its ability to provide reliable and consistent magnetic sensing in a wide range of applications.

In summary, the AirPath C21-100 Magnetic Compass Diaphragm is a high-precision, lightweight, and durable component designed for use in magnetic compass systems. Its large sensing area, smooth and even surface, tight seal, and standard size make it an ideal choice for various magnetic sensing applications in harsh environments.

A magnetic compass is an essential navigation tool, especially for outdoor activities such as hiking, boating, or flying. The Airpath C21-100 Magnetic Compass Diaphragm is a popular choice among professionals due to its features and benefits. In this response, we will discuss the pros and cons of buying this compass diaphragm, followed by a conclusion and recommendation.

1. High Accuracy: The Airpath C21-100 Magnetic Compass Diaphragm offers high accuracy due to its liquid-filled design, which reduces the effects of external magnetic fields and temperature changes.

2. Durable: This compass diaphragm is built to last with a rugged housing and a shatter-resistant glass cover, making it ideal for harsh environments.

3. Easy to Read: The large, easy-to-read dial and illuminated needle make it simple to navigate even in low light conditions.

4. Versatile: The compass diaphragm can be used in various applications, including aviation, marine, and land navigation.

1. Expensive: The Airpath C21-100 Magnetic Compass Diaphragm is more expensive than other compass models due to its high accuracy and durability.

2. Requires Calibration: Like all magnetic compasses, this compass diaphragm requires regular calibration to maintain its accuracy, which can be time-consuming and requires specific tools.

3. Bulky: The size and weight of the compass diaphragm may not be ideal for ultralight hikers or backpackers.

The Airpath C21-100 Magnetic Compass Diaphragm is an excellent investment for professionals and serious navigators who require high accuracy and durability. Its liquid-filled design, large and easy-to-read dial, and rugged housing make it an ideal tool for various applications, including aviation, marine, and land navigation. However, its high cost, calibration requirements, and bulkiness may not be suitable for casual users or those with limited budgets.

If you are a professional navigator or require a highly accurate and durable compass for your outdoor activities, the Airpath C21-100 Magnetic Compass Diaphragm is an excellent choice. However, if you are a casual user or have a limited budget, there are other, less expensive compass models that may meet your needs. Consider your specific requirements and budget before making a purchase.

Details:

Hangar box 7. For their youth educational programs. What you see is what are actually buying.

part #: c21100 prices

• $9.95-$15.00

specifications aviationpar:

• for models: Compass
• brand: Airpath Instrument Co
• mpn: C21-100
• part type: Instrument

seller aviationpar:

• rating: 97.8%
• # reviews: 198
• city: Princeton, Minnesota

offer aviationpar:

• options: Ship-to-home
• availability: In Stock
• started: October 21, 2025
• sold: 0
• quantity: 1

returns aviationpar:

• policy: No Returns

payments aviationpar:

• wallet: Paypal
• credit card: Discover
• other
• cash

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: Used

shipping aviationpar:

• service: UPS Ground
• carrier: UPS
• transit: 3-8 Days
• class: Standard
• cost: $14.18
• type: Calculated

Airpath Instrument Co C21-100 Is Similar To:

• C2400-l4vt C2400-14vt Airpath Compass Housing New (34% similar) If you think the shipping Cost is too high, to verify the charges in case there is a mistake. Economy shipping such as parcel select will take weeks to travel to the western states. Please look at and all pictures as they are part of the and will show details. Airpath Compass C2400 L4VT housing new ...(October 26th, 2015)
• Ap-c2300l4-24 Airpath Instruments Magnetic Compass (65.4% similar) Any is for the sole purpose of identifying an item. Big props aviation - your source for aircraft parts. Ships quick new listings added weekly and usually daily. Airworthiness is only determined by the FAA approved mechanic or certified repair station. Your source for aircraft parts...(April 2nd, 2017)
• Cm-2639-5 Airpath Compass With Light Original Box Nos Possibly Aviation Cockpit (27.9% similar) Aircraft Airpath Compass cross reference. Multiple use aircraft Cockpit or hobby. In good Condition appears that it Could be nos. New other see details Condition...(February 5th, 2022)
• Airpath Aqu-3 a Instrument Company Magnetic Avionic Compass Liquid Filled typeaqu-3 a (57.9% similar) Photo are part of. See my other listing for more Compass from new old stock to used items. All Compass are being sold as is...(May 7th, 2024)
• Piper 550-805 Pa Series Airpath Compass C-2400-l4p-b Very Good Condition (27.5% similar) Check back often as I am always adding new and interesting items. I will get back to you asap. As with most humans, I do make mistakes from time totem. If the item is too large for a flat rate box, twill have to go via regular USPS priority mail or FedEx express. Fiat any time you are not happy with...(August 26th, 2024)
• Airpath C-2200-l4-b Piper Magnetic Compass 548-082-302 (54.1% similar) Part may or not Come with paperwork traceability. Part was described as as-is, repairable, Core / for parts and is not functional or cannot be repaired. Part, no matter the Condition, has been dismantled, opened, modified, repair attempted, damaged, marked, used or is otherwise not in same Condition...(October 23rd, 2024)
• Mooney C2400-l4vw-310 M20k Airpath Magnetic Compass With Lighted (46.3% similar) Aircraft make: Mooney. Please see pics. A business or residential address is required for delivery. Aircraft model: M20K. Details about this part: part number: C2400-L4VW-310. All parts have to be return in the same Condition it was received. Electronics will have anti-tamper seals that cannot be ...(November 18th, 2024)
• Magnetic Compass Compensator Cb21-400a Nos Airpath Pn Update Your Used (28.3% similar) For sale, nos Airpath magnetic Compass Compensatory, pn CB21-400A. Preserved and unopened this one opened to photo for listing. Always buying selling Collecting trading vintage aircraft parts planes projects propellers gauges engines. These are new old stock still in the factory packaging from 1956...(December 12th, 2024)
• Cessna C220-l4 Airpath C2200-l4 Compass (41.7% similar) Airpath C2200-L4 Cessna Compass in excellent Condition: Condition...(April 6th, 2025)
• Airpath Instrument Co C-2350-d1-4vf Windshield Mounted Compass Lighted (64.6% similar) Complete engines. 90-DAY money back guarantee: guaranteed to work and pass your inspection or money back. Manufacturer: Airpath. Electrical local pick-up is also available. A business or residential address is required for delivery. Removed from: 14 volt system. Can't find what you're looking for. C...(October 31st, 2025)
• Airpath Instrument C2400-lp Vintage Pedestal Mount Compass Good (61.7% similar) See pics 1968 Airpath C-2400 LP pedestal mount Compass, normal wear and tear for the age, but does have a dent at front...(January 18th, 2026)