Tinnerman U-type nuts snap into position over a panels edge and are ideal in blind or hard to reach locations without requiring welding or riveting. They are constructed of aircraft spring steel with a phosphate finish.
This Tinnerman U-nut (A17856Z1D) uses a #6 screw and fits panels with a thickness of 0.025 to 0.064 inches and has a panel hole diameter of 0.281 inches.
- Snaps into position over a panel's edge
- Requires no welding or riveting
- Aircraft spring steel construction
Product Codes | |
|---|---|
| Mfr Part No: | A1785-6Z-1D |
| ECCN: | EAR99 |
| SCHEDULE B CODE: | 8803.30.0050 |
Type B Screw: #6Dimensions:Â 0.840 x 0.438 inPanel Thickness:Â 0.025 to 0.064 inMaximum panel edge distance:Â 0.500 inPanel hole Diameter:Â 0.281 inMaterial: spring steelFinish: phosphate with olive drab paint
- Stock: Warehouse
- Manufacturer Part #: A1785-6Z-1D
Aircraft Fitment Finder
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 to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- 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
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available 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.
