NIPPLE (P/N an816-4-4d) - New Surplus
P/N: an816-4-4d
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 | 2 Available |
Product Description
The AN816-4-4D is a straight nipple that connects 1/4-inch 37° flared aircraft tubing to 1/4-inch NPT threaded ports. This brass fitting adapts rigid aluminum lines to engine and airframe connections on fuel, oil, and hydraulic systems. Installation requires an AN818 nut and AN819 sleeve on the tube end, tightened per maintenance manual specifications.
Conforms to AN standards and AS5194/AS4842 adapter requirements.
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 NIPPLE (P/N an816-4-4d)?
The AN816-4-4D is a straight nipple that connects 1/4-inch 37° flared aircraft tubing to 1/4-inch NPT threaded ports. This brass fitting adapts rigid aluminum lines to engine and airframe connections on fuel, oil, and hydraulic systems.
Does the an816-4-4d meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NIPPLE 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 an816-4-4d 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 an816-4-4d.
Can I order the an816-4-4d in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NIPPLE is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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