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Civilian Aviation Helmet Upgrade Components


Helmet Style: SPH-4®


  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushions: 3/4" #20050(Recommended), 1-1/8" #20025
  • SoftSkin Ear Seal Covers: 3/4" #29034(Recommended), 1-1/8" #29118
  • HushKit Passive Ear Cup Noise Attenuation: #92050
  • SoftSeal/HushKit Combo: n/a
  • MicMuff Microphone Cover: Dynamic #90010, Electret #90015, Military Dynammic M-87 #90020

Helmet Style: SPH-4B®, SPH-5®


  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushion: 3/4" #20002(Recommended)1-1/8" #20001
  • SoftSkin Ear Seal Covers: 3/4" #29034(Recommended), 1-1/8" #29118
  • HushKit Passive Ear Cup Noise Attenuation: #92050
  • SoftSeal/HushKit Combo: n/a
  • MicMuff Microphone Cover: Dynamic #90010, Electret #90015, Military Dynammic M-87 #90020

Helmet Style: HGU-33P, HGU-55P, HGU-68P, HGU-84P


  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushion: 3/4" #20050(Recommended), 1-1/8" #20025 We recommended SoftSeal/Hushkit Combo instead of SoftSeal Ear Cushions and HushKit kit separately.
  • SoftSkin Ear Seal Covers: 1-1/8" #29118, #29118T(use w/#28118T Combo)
  • HushKit Passive Ear Cup Noise Attenuation: #92050. For plastic cups we recommend SoftSeal/HushKit Combo instead of HushKit kit and SoftSeal Ear Cushions Separately.
  • SoftSeal/HushKit Combo: 3/4" #28034
    1-1/8" #28118 or #28118T(Recommended). We recommend SoftSeal/HushKit Combo instead of SoftSeal Ear Cushions and HushKit Kit separately.
  • MicMuff Microphone Cover: Dynamic #90010, Electret #90015, Military Dynammic M-87 #90020

Helmet Style: HGU-56P


  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushion: 3/4" #20050, 1-1/8" #20025. We recommend SoftSeal/HushKit Combo instead of SoftSeal Ear Cushions and HushKit Kit separately.
  • SoftSkin Ear Seal Covers: 3/4" #29034, 1-1/8" #29118, #29118T(use w/#28118T Combo)
  • HushKit Passive Ear Cup Noise Attenuation: #92056 For plastic cups. We recommend SoftSeal/HushKit Combo instead of HushKit kit and SofSeal Ear Cushions Separately.
  • SoftSeal/HushKit Combo: 3/4" #28034, 1-1/8" #28118 or #28118R, We recommend SoftSeal/HushKit Combo instead of SoftSeal Ear Cushions and HushKit Kit separately.
  • MicMuff Microphone Cover: Dynamic #90010, Electret #90015, Military Dynammic M-87 #90020

Alpha


  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushion: 3/4" #20002(If not using combo)
  • SoftSkin Ear Seal Covers: Call Oregon Aero
  • HushKit Passive Ear Cup Noise Attenuation: #92050(If not using combo)
  • SoftSeal/HushKit Combo: #28118(for Alpha Eagle)
  • MicMuff Microphone Cover: Dynamic #90010, Electret #90015, Military Dynammic M-87 #90020

CGF, MSA Gallett


  • Helmet Liner: ZetaLiner
  • SoftSeal Ear Cushion: 3/4" #20050(Recommended), 1-1/8" #20025
  • SoftSkin Ear Seal Covers: 3/4" #29034, 1-1/8" #29118
  • HushKit Passive Ear Cup Noise Attenuation: n/a, Call Oregon Aero
  • SoftSeal/HushKit Combo: 3/4" #28034, 1-1/8" #28118(Recommended) We also recommend using 3/8" round spacer #95050
  • MicMuff Microphone Cover: Dynamic #90010, Electret #90015, Military Dynammic M-87 #90020