1-877-4-SPRUCE | info@aircraftspruce.com
Aircraft Spruce & Specialty Co.
Corona, CA | Chicago, IL
Wasilla, AK | Peachtree City, GA
Brantford, ON Canada
Aircraft Spruce & Specialty Co.
Corona, CA | Chicago, IL
Wasilla, AK | Peachtree City, GA
Brantford, ON Canada
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| Description | Tube OD | Part No. | Price | Buy |
|---|---|---|---|---|
| MS28778 Tube Fitting Boss Gasket | 1/8 | MS28778-2 | $0.98 | |
| MS28778 Tube Fitting Boss Gasket | 3/16 | MS28778-3 | $0.79 | |
| MS28778 Tube Fitting Boss Gasket | 1/4 | MS28778-4 | $0.78 | |
| MS28778 Tube Fitting Boss Gasket | 5/16 | MS28778-5 | $0.80 | |
| MS28778 Tube Fitting Boss Gasket | 3/8 | MS28778-6 | $1.25 | |
| MS28778 Tube Fitting Boss Gasket | 1/2 | MS28778-8 | $1.79 | |
| MS28778 Tube Fitting Boss Gasket | 5/8 | MS28778-10 | $0.91 | |
| MS28778 Tube Fitting Boss Gasket | 3/4 | MS28778-12 | $1.43 | |
| MS28778 Tube Fitting Boss Gasket | 7/8 | MS28778-14 | $2.29 | |
| MS28778 Tube Fitting Boss Gasket | 1 | MS28778-16 | $2.15 | |
| MS28778 Tube Fitting Boss Gasket | 1-1/4 | MS28778-20 | $1.80 |
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Overview
| Straight-thread tube fitting boss gaskets are used to provide a seal between straight-thread fittings, such as AN815, and ports of instruments with female straight threads instead of the more common female tapered pipe threads. |
Reviews
Ordering from Aircraft Spruce is always prompt & precise. I can be sure of good service from this vendor.
Dianne H
July 1, 2019
Altamont A
March 24, 2017
Altamont A
March 24, 2017
Q&A
Q: MS28778-12 says its 3/4 on your site. Other sites show closer to 1, and that is the correct size for my application Can you verify the actual size? Original P/N is AN6290-12.
It is closer to 1". The 3/4 is in reference to what size AN fitting it is used with. An AN815-12 for example is a 3/4 fitting but measures almost an inch in diameter.
