WASHER, LOCK (P/N 212-42001-05-1) - Serviceable, New Surplus
P/N: 212-42001-05-1
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 |
|---|---|
| Serviceable | 4 Available |
| New Surplus | 1 Available |
Product Description
The 212-42001-05-1 is a steel lock washer designed to prevent fastener loosening under vibration. This washer sits beneath a nut or machine screw head, providing spring tension that maintains clamp load during aircraft operation. Conforming to NASM35338 (formerly MS35338/AN935) or AN936 specifications, it's used in non-structural assemblies where vibration resistance is required.
Installation follows FAA AC 43.13-1B guidance. Not suitable for primary structural applications.
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 WASHER, LOCK (P/N 212-42001-05-1)?
The 212-42001-05-1 is a steel lock washer designed to prevent fastener loosening under vibration. This washer sits beneath a nut or machine screw head, providing spring tension that maintains clamp load during aircraft operation.
Does the 212-42001-05-1 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The WASHER, LOCK 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 212-42001-05-1 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 212-42001-05-1.
Can I order the 212-42001-05-1 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER, LOCK is available in: Serviceable, New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.