For maintainers of the ENSTROM HELICOPTER CORP F-28A, ensuring the integrity of critical airframe and component attachments is paramount. The MS21080-3 Nut, Self-Locking, Hexagon, Regular Height, Reduced Wrenching is an essential piece of Military Standard aviation hardware designed for secure fastening in high-vibration and demanding environments. This specific nut, designated by part number MS21080-3, plays a vital role in various systems across the F-28A, providing a reliable, vibration-resistant connection wherever a #10-32 UNF thread is specified, particularly in areas requiring a smaller wrenching profile for space efficiency.
Overview
The MS21080-3 is a precision-engineered, self-locking hexagon nut, meticulously crafted to Military Standard MS2108
- Stock: Out of Stock
- Manufacturer Part #: MS21080-3
- Part#: MS21080-3
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
