AOSafety® R5700 8051 Bayonet to 40MM NATO (RD40x1/7) Adapter

This prototype design for a AOSafety® R5700 8051 bayonet to 40MM NATO (RD40x1/7/DIN) gas mask thread adapter. Designed to help cross compatibility of commercial off the shelf (COTS) filters with other manufacturer’s respirators, during this PPE shortage, should be compatible with any RD40x1/7 filter canisters.

Part Description:

AOS_R5700_8051_BAYONET_TO_40MM_NATO_ADAPTER_GEN1.stl

Initial model release, requires o-ring or gasket inside female side 40MM NATO threads to ensure proper seal.

Disclaimers/Risks:

1.) Requires 40 mm OD gasket or o-ring on the exterior pocket to ensure proper seal maintained between cartridge/adapter and threads.

3.) 3D printing materials are not resistant to many solvents, are water soluble, and degrade when exposed to chemicals. 3D printing this adapter is only a temporarily ad-hoc solution against biological threats. Once supply chain return to normal users should purchase OEM OSHA/NIOSH/EN standard approved adapters and respirator accessories.

Dev. Notes:

04/14/2020 – Initial model release. In work, pending support 3D printing community for any fitment and model revisions.