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Military Aviation Helment Upgrade Components


HGU-55P


  • Military Branch: US Air Force
  • Aircraft: Fixed Wing
  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushions: 3/4" #20050 For Plastic Cups. We recommend the SoftSeat/HushKit Combo.
  • SoftSkin Ear Seal Covers: 1-1/8" #29118T, 1-1/8" #29118, 3/4" #29034
  • HushKit Passive Ear Cup Noise Attenuation: 3/4" 92050 For Plastic Cups. We recommend the SoftSeat/HushKit Combo.
  • SoftSeal/HushKit Combo: 1-1/8" #28118T(Triangular Ear Seals), 1-1/8 #28118, 3/4" #28034, Call Oregon Aero Assistance
  • MicMuff Microphone Cover: #90020

IHADSS


  • Military Branch: US Army
  • Aircraft: Rotor Wing
  • Helmet Liner: n/a
  • SoftSeal Ear Cushions: 3/4" #20050
  • SoftSkin Ear Seal Covers: 3/4" #29034
  • HushKit Passive Ear Cup Noise Attenuation: #92040
  • SoftSeal/HushKit Combo: n/a
  • MicMuff Microphone Cover: #90020

HGU-56P


  • Military Branch: US Army & Coast Guard
  • Aircraft: Rotor Wing
  • Helmet Liner: Zeta II
  • Upgrade Kit: #96100 (NSN 8475-01-591-3023) Kit Includes SoftSeal Ear Cushions (Replacement Part #20007), SoftSkin Ear Seal Covers (Replacement Part #29034), HushKit Passive Noise Attenuation (Replacement Part
  • MicMuff Microphone Cover: #90020

SPH-5®


  • Military Branch: US Coast Guard
  • Aircraft: Rotor Wing
  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushions: 3/4" #20002
  • SoftSkin Ear Seal Covers: 3/4" #29034
  • HushKit Passive Ear Cup Noise Attenuation: #92050
  • SoftSeal/HushKit Combo: n/a
  • MicMuff Microphone Cover: #90020

HGU-84P


  • Military Branch: US Navy & Marine Corps
  • Aircraft: Rotor Wing
  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushions: 3/4" #20050
  • SoftSkin Ear Seal Covers: 3/4" #29034
  • HushKit Passive Ear Cup Noise Attenuation: #92050
  • SoftSeal/HushKit Combo: n/a
  • MicMuff Microphone Cover: #90020

HGU-68P


  • Military Branch: US Navy & Marine Corps
  • Aircraft: Fixed Wing
  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushions: 3/4" #20050 For plastic cups. We recommend the SoftSeal/HushKit Combo.
  • SoftSkin Ear Seal Covers: 1-1/8" #29118T, 1-1/8" #29118, 3/4" #29034
  • HushKit Passive Ear Cup Noise Attenuation: 3/4" #92050 For plastic cups. We recommend the SoftSeal/HushKit Combo.
  • SoftSeal/HushKit Combo: 1-1/8" #28118T(Triangular Ear Seals), 1-1/8" #28118, 3/4" #28034 Call Oregon Aero Assistance. We recommend the SoftSeal/HushKit Combo.
  • MicMuff Microphone Cover: #90020

Alpha


  • Military Branch: Royal Air Force of the United Kingdom
  • Aircraft: Fixed Wing
  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushions: 3/4" #20002
  • SoftSkin Ear Seal Covers: Call Oregon Aero
  • HushKit Passive Ear Cup Noise Attenuation: #92050
  • SoftSeal/HushKit Combo: n/a
  • MicMuff Microphone Cover: #90020