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"U" TYPE NAS395 (A1787-10Z-1)

Packaged Items
SinglePack of 25
Tinnerman No.Screw SizePart Number


Snaps over edge of panels or into center hole locations. Holds itself in place for blind assembly. "Floats" free for easy hole alignment.
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -

Specification Chart



Fastener is positioned over screw clearance hole with screw-engaging prongs pointing up or outward. Screw is started into nut by hand from the underside.
Push into position with thumb until extrusion on lower leg snaps into screw hole. The fastener "floats" in screw-receiving position to correct for normal misalignment in panel mounting holes.

Screw can be power-driven into locked position (when base arch of fastener is flat) or a hand screw driver can be used. No wrench is required, finger pressure will prevent it from turning.

Place second panel in position and drive screw. Access to opposite side is unnecessary. Flush mounting can be made by embossing either panel.


Matthew S Verified Purchase

"U" TYPE NAS395 (A1787-10Z-1)

August 26, 2023

Joel Verified Purchase

"U" TYPE NAS395 (A1787-10Z-1)

November 4, 2022

Timothy L Verified Purchase

"U" TYPE NAS395 (A1787-10Z-1) (PACK OF 25)

August 16, 2022

Mark O Verified Purchase

"U" TYPE NAS395 (A1787-10Z-1)

May 10, 2022

I was more than happy with the way my order went. I was informed in detail about every step. Despite a very small and cheap order, I got things extremely quickly. Keep it up!

Axel S
March 9, 2021

Looks great!

Joseph P
January 26, 2021

Good quality! Easy to use and good, tight fit to hold them in place!

Greg A
July 31, 2020

As expected.

Greg D
July 11, 2020

great buy

Tim G
June 29, 2020

As expected and quick delivery.

Henry B
March 12, 2020


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: With reference to column G panel hole diameter measurement under spec tab. What exact dimension is that referencing? Regards, Nic

We have added a new specification chart both above the product listing and in the "Specification Chart" tab. It references each of the dimensions for clearly. G is a minimum diameter.

Q: Sheet metal screws or machine screws? Ordered some, they do not accept machine screws, please clarify.

Tinnerman NAS395 nuts are used with sheet metal screws. Machine screws would require a Tinnerman LHA or Monadnack clip nuts. The screw size for machine screws will indicate the size, and thread count, 6-32, 8-32, etc.. Sheet metal screws are indicated by size and type, #6 type A, or #6 type B, etc..

Q: What material are these NAS 395 tinnerman nuts made out of?

SAE 1065-1070 steel.

Q: Will these work with both Type A and Type B sheet metal screws?

Yes, type A and B will work with these.

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