WASHER (P/N ms51990-e105p) - New Surplus
P/N: ms51990-e105p
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 | 4 Available |
Product Description
The MS51990-E105P is a serrated lock ring washer conforming to Military Standard MS51990. This steel washer secures threaded inserts and studs against rotation in aircraft structures and assemblies. The serrated design creates mechanical locking between the washer and mating surface, preventing fastener loosening under vibration and thermal cycling.
Installed at threaded insert locations during MRO maintenance and assembly operations. Use specified tooling and follow the insert manufacturer's procedure and applicable maintenance manual for proper 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 WASHER (P/N ms51990-e105p)?
The MS51990-E105P is a serrated lock ring washer conforming to Military Standard MS51990. This steel washer secures threaded inserts and studs against rotation in aircraft structures and assemblies.
Does the ms51990-e105p meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The WASHER 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 ms51990-e105p 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 ms51990-e105p.
Can I order the ms51990-e105p in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.