(904) 998-9101
sales@aircraftpartsstore.com
Aircraft Parts Store
PACKING - P/N ms28778-12

PACKING (P/N ms28778-12) - New, New Surplus

P/N: ms28778-12

Category: O-Rings & Packings

$2.00
$25.00 order minimum applies
In Stock (5 available)
Buy Now Submit RFQ Call for Pricing

Flat-rate shipping. Choose Ground or a faster service at checkout.

Flat-rate shipping covers most parts. If your order turns out to need freight or special handling, we'll contact you with the updated shipping cost before it ships. You can pay the difference or cancel for a full refund. International buyers pay any duties and import taxes.

Available Inventory

Condition Price Stock
New$2.00 4 Available
New SurplusQuote 1 Available

Product Description

The MS28778-12 is a preformed nitrile O-ring packing designed for straight-thread tube fittings in aircraft fluid systems. Manufactured to MIL-P-5510/AMS-P-5510 aerospace specifications, this seal provides leak-free performance in hydraulic boss ports and fuel system joints. Installation involves placing the O-ring into the gland cavity, then assembling the straight-thread fitting per MS28778 dimensions and applicable maintenance manual procedures.

Commonly used across general and commercial aviation for reliable fluid containment in pressurized systems.

Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.

Frequently Asked Questions

What is the PACKING (P/N ms28778-12)?

The MS28778-12 is a preformed nitrile O-ring packing designed for straight-thread tube fittings in aircraft fluid systems. Manufactured to MIL-P-5510/AMS-P-5510 aerospace specifications, this seal provides leak-free performance in hydraulic boss ports and fuel system joints.

What material is the ms28778-12 made from?

Aircraft seals and O-rings are manufactured from various elastomers including nitrile (Buna-N), fluorocarbon (Viton), silicone, and PTFE depending on the application. The PACKING meets aviation specifications for its intended use. Contact us for specific material data.

Can I order the ms28778-12 in bulk quantities?

Yes, we stock seals and gaskets in quantity and offer bulk pricing. Submit a Request for Quote (RFQ) for volume orders, or call (904) 998-9101 for immediate quantity availability on the ms28778-12.

What is the shelf life of the ms28778-12?

Elastomeric seals have manufacturer-specified shelf lives that vary by material and storage conditions. We follow industry standards for cure date tracking and proper climate-controlled storage. Contact us for shelf life details on the ms28778-12.

Related O-Rings & Packings

Browse More O-Rings & Packings