Subject: Neck Clamp Assembly
KMDSI Part # 505-055 (and pre '89 505-003)
Products Affected: Kirby Morgan SuperLite-17A/B & U.S. Navy MK-21 Mod. O & Mod. I Helmets
Beginning in January, 2004, all SuperLite 17A/B and MK-21 Helmets will come equipped with a new Yoke Strap, Part # 505-134, Yoke Strap Guide, Part # 505-138 and a new helmet mounted chin strap, Part # 505-130
These new parts are retrofitable on all older SuperLite 17A/B & MK-21 Helmets and are available in a kit, Part # 525-234 . See your local Authorized KMDSI Dealer for price and delivery information.
Beginning in January, 2004, all SuperLite 17A/B and MK-21 Helmets will come equipped with a new Yoke Strap, Part # 505-134, Yoke Strap Guide, Part # 505-138 and a new helmet mounted chin strap, Part # 505-130
