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NEWTON AERO 300 LOCKING FUEL CAP ONLY

$119.75/Each
Part# 05-21999
MFR Model# A3L

Overview

These English fuel caps are used on most of the worlds super cars and bikes, and some series production aero planes. They are beautifully made in forged and bright anodized aluminum. The high precision and easy to operate mechanism is very secure and non vented. They are designed to keep the fuel in and the water out. The lock is there to ensure that your tank is free from contaminants. Aero caps are used on Adam, CAP, Cirrus, Diamond, Lancair Columbia, Lancair kits, Nemesis, Vans, Velocity and many more aircraft.

Two keys come with the locking version (L). Fixing can be by rivet, bolt, weld or glass in as appropriate. These are flush caps of outstanding quality which are ideal for virtually any homebuilt aircraft.

The 300 Series: 3-3/4" OD opening 1-3/4", 6 hole 3" pcd. A37 fits 2" and 2.25" Hoses.

*Note: Options Standard No-Lock (S) or Locking (L)

Specifications

Materials:
  • Centre-Forging: Aluminium Alloy 6082
  • Neck: Aluminium Alloy 6082/T6
  • Option: Black
  • Neck: Polished

Weight:
  • No Lock: 136.6 g
  • Locking: 154.5 g

Dimensions:
  • Outside Diameter (A): 62.5 mm
  • Outside Diameter (B): 58.4 mm
  • Bolt Circle Dia.: (PCD) Not Applicable
  • Bore: 44.5 mm
  • Overall Height : 33.75 mm

Neck Options:
  • Spigot: 58.0 mm A3NLP (Lock, steel neck)
  • Body Diameter: G 58.0 mm A3NLPB (Lock, steel neck, black)
  • Neck Diameter: Not Applicable
  • Flange Thickness: Not Applicable

Reviews

Worked great on my SR22

Robbey B Verified Purchase

NEWTON AERO 300 LOCKING FUEL CAP ONLY

November 11, 2022

As Robert says, all Cirrus gas aircraft use these 300 series fuel caps. Do not understand Jasons problem. Re locks, replacement numbered locks are often available so as to match an older one. Just quote the number required and request a replacement lock. eg 615.....

Robin
February 27, 2022

All Cirrus Avgas Aeroplanes have used the Newton 300 series fuel cap since DAY 1

Robert S
October 16, 2020

Excellent English quality. Stock varies and shipping can be delayed so plan ahead. Repair kits also available through Spruce. Highly recommend.

Alex N
September 3, 2020

did not fit.

Jason
October 14, 2020

Does not fit a 2002 Cirrus SR22.

Jason
October 12, 2020

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Could you please tell me the size of the hose neck on Part # 05-28653?

Either 2" or 2-1/2" I.D. hose can be used on the 05-28653 hose neck.

Q: What is the difference between the filler neck of 05-28653 and the hose fitting of 05-28659? Do they come with the back flange and mounting screws?

The only difference is the 05-28653 has a locking cap, and the 05-28659 has a non-locking cap. They do come with mounting hardware (screws & nuts), cork gasket, but not a back flange.

Q: What is the difference between Part #'s 05-28654 and 05-02650?

They are two different size caps. In short, the 05-28654 is a much smaller diameter cap than the 05-02650.

Q: What is the size of the entire ring in the 12 hole set? P/N 05-00045 A512L

This would have a 5.47" Outside Diameter and a 3.27" Inside Diameter.

Q: How much does this Aero Fuel Cap (part # 05-00045) weigh?

The cap itself weighs 0.54 LB. The entire assembly including bolts, keys, gasket, and mounting ring is approx 1 LB.

Q: Is the Aero Fuel Cap pricing per each or per pair?

These caps are priced and sold as each.

Q: Does this have FAA approval?

No, this is an experimental part.

Q: What is the weight of the 05-28651 cap?

Approx 0.5 lbs.

Q: Could you please tell me the size of the hose neck on Part # 05-28651?

2.5 inch

Q: Can you get replacement keys? My plane has the lock cap but never got the keys and previous owner doesn't have them. #609

Yes you would order our part number 05-04542.

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