NUT - New Surplus
P/N: std872
Category: Fasteners & Hardware
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 std872 is a slotted hex nut (castellated style) with 3/8-24 UNF threads for use on Lycoming aircraft engines. This steel fastener installs on drilled bolts or studs where cotter-pin locking is required for positive mechanical retention. The castellated design accommodates a safety cotter pin through aligned slots, preventing fastener loosening due to vibration during engine operation.
Conforms to AN310 series specifications. Installation requires torque per Lycoming service manuals and your aircraft's maintenance documentation.
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 NUT (P/N std872)?
The std872 is a slotted hex nut (castellated style) with 3/8-24 UNF threads for use on Lycoming aircraft engines. This steel fastener installs on drilled bolts or studs where cotter-pin locking is required for positive mechanical retention.
Does the std872 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NUT 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 std872 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 std872.
Can I order the std872 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.