UNION (P/N s2557-8d) - New Surplus
P/N: s2557-8d
Category: Fittings & Adapters
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 | 5 Available |
Product Description
The s2557-8d is a straight union fitting designed to join two aircraft fluid lines in-line. This brass or steel connector features 37-degree flared tube interfaces conforming to AN/MS standards for secure, leak-free connections in hydraulic systems. Installation requires matching sleeves and nuts torqued per aircraft maintenance manual specifications.
Commonly used in hydraulic line repairs and system modifications on general aviation and corporate aircraft. Verify compatibility with your aircraft's Illustrated Parts Catalog before installation.
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 UNION (P/N s2557-8d)?
The s2557-8d is a straight union fitting designed to join two aircraft fluid lines in-line. This brass or steel connector features 37-degree flared tube interfaces conforming to AN/MS standards for secure, leak-free connections in hydraulic systems.
Does the s2557-8d meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The UNION conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the s2557-8d manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the s2557-8d.
Can I order the s2557-8d in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The UNION is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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