PACKING (P/N M25988/1-138) - New Surplus

Name: PACKING
Brand: Aircraft Parts Store
SKU: M25988/1-138

P/N: M25988/1-138

Category: Seals

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In Stock (33 available)

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This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).

Available Inventory

Condition	Stock
New Surplus	33 Available

Product Description

Part number M25988/1-138 is a fluorosilicone packing (O-ring) manufactured to MIL-R-25988/MIL-DTL-25988, slash sheet M25988/1, corresponding to AS568-138 sizing. It provides reliable sealing in aviation fluids and maintains flexibility at low temperatures. Used in aircraft fuel system fittings and valve assemblies, it installs in a clean, lightly lubricated gland per the aircraft maintenance manual or component CMM; verify size and compatibility with approved data.

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 M25988/1-138)?

What material is the M25988/1-138 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 M25988/1-138 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 M25988/1-138.

What is the shelf life of the M25988/1-138?

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 M25988/1-138.