NUT (P/N 90-118-4) - New Surplus, New
P/N: 90-118-4
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 | 3 Available |
| New | 1 Available |
Product Description
The 90-118-4 is a steel spanner nut designed for bearing retention in helicopter assemblies. This fastener secures bearings using spanner wrench tooling and specified torque procedures. Used on Bell OH-58D AHIP platforms and other Bell helicopter applications where precise bearing preload and retention are critical.
Installation requires proper spanner tooling and adherence to aircraft maintenance manual torque specifications. Verify compatibility with your Illustrated Parts Catalog before installation. NSN 5310-01-581-0670.
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 90-118-4)?
The 90-118-4 is a steel spanner nut designed for bearing retention in helicopter assemblies. This fastener secures bearings using spanner wrench tooling and specified torque procedures.
Does the 90-118-4 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 90-118-4 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 90-118-4.
Can I order the 90-118-4 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New Surplus, New. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.