Kirby Morgan 550-081 Regulator Mount Nut Neck Ring Assembly and improved collet and collet

and improved collet and collet washer design

Kirby Morgan 505-755 Locking Collar Assembly For Stainless Steel Helmets

one-handed opening

double d-ring design across the chest to match the double d-ring design across the waist**

Recommended overbottom (OB)gas supply pressure for best performance at depths are calculated by the formula (fsw x 0

Kirby Morgan 550-081 Regulator Mount Nut Neck Ring Assembly and improved collet and colletThe Kirby Morgan 550 081 regulator mount nut is used to secure the demand regulator to the helmet is now made of silicone bronze. The previous material was stainless steel. The silicone bronze regulator mount nuts will be used in assembly and available as spares as soon as our stock of stainless steel regulator mount nuts run out. Any old stock of the stainless steel regulator mount nuts can be used without issue. This decision is based on the shift