INSERT,SCREW THREAD (P/N ms51991-205) - New Surplus
P/N: ms51991-205
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 MS51991-205 is a keyed, serrated screw thread insert conforming to Military Standard MS51991 specifications. This insert restores or reinforces internal threads in aluminum and magnesium aircraft structures subject to vibration and stress cycling. Installation involves standard drilling and tapping procedures, with stake keys applied per MS51991 requirements and applicable aircraft maintenance manuals.
Commonly used in general aviation and commercial aircraft where repeated fastener removal and installation would otherwise damage parent material threads.
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 INSERT,SCREW THREAD (P/N ms51991-205)?
The MS51991-205 is a keyed, serrated screw thread insert conforming to Military Standard MS51991 specifications. This insert restores or reinforces internal threads in aluminum and magnesium aircraft structures subject to vibration and stress cycling.
Does the ms51991-205 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The INSERT,SCREW THREAD 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 ms51991-205 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 ms51991-205.
Can I order the ms51991-205 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The INSERT,SCREW THREAD is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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