Scott® AV-2000/3000 SCBA Bayonet to 40MM NATO (RD40x1/7) Adapter

thingiverse

This is a 3D printing model of an adapter for connecting a 40mm NATO gas mask to a Scott AV-3000 Self Contained Breathing Apparatus (SCBA). The adapter has several features, including: 1. Exhalation valve assembly for breathing comfort 2. Corresponding gaskets for the exhalation and inhalation ports 3. A bayonet-style connection to the SCBA mask The model is designed to be printed with TPU (thermoplastic polyurethane) material, which provides good flexibility and durability. There are several disclaimers and warnings associated with this adapter: 1. The adapter does not have a locking mechanism, so users must ensure that it is tightened properly. 2. Users must use the correct gaskets for the exhalation and inhalation ports. 3. Users must perform a negative pressure test to ensure that the adapter seals properly. The model has undergone several revisions, including: 1. Initial release (April 16, 2020) 2. Revision with exhalation port added (May 12, 2020) The credits for this model include: 1. rjcroghan for creating a DIY filter assembly for the Scott AV-3000 SCBA 2. Jack Pirone for feedback and design suggestions regarding SCBA functionality Overall, this adapter appears to be a useful solution for connecting a 40mm NATO gas mask to a Scott AV-3000 SCBA, but users must take care to follow the manufacturer's instructions and perform proper negative pressure tests to ensure safe use.