Oregon Aero Logo
800-888-6910
Monday - Thursday 8am - 5pm, Friday 8am - 4pm

Aviation Helmet Accessories

Oregon Aero provides Aviation Helmet Accessories for Civilian and Military use. If you need assistance call Oregon Aero at 800-888-6910

Styrene Crush Liner


Styrene Crush Liner

Helmets with molded liners can be sent to Oregon Aero for fitting and installation. We remove the molded liner and replace it with a new styrene crush liner and our comfortable ZetaLiner® Helmet Liner. For more info, call Oregon Aero with your helmet type and size.

Styrene Crush Liner for SPH-4®, SPH-4B®, SPH-5®, or HGU Helmets #94100

Oregon Aero Visco-Elastic Chin Strap Cushion


Oregon Aero Visco-Elastic Chin Strap Cushion

Oregon Aero Visco-Elastic chin strap cushions grip and hold rather than slip off. Cushions are durable and comfortable to wear.

Oregon Aero® Visco-Elastic Nape Strap Cushion


Oregon Aero Visco-Elastic Nape Strap Cushion

Oregon Aero's chin and nape strap cushions solve the problem of helmet spinning forward and rolling off head.

Oregon Aero® Ear Cup Spacers: Oval or Triangle


Oregon Aero ear cup spacers build up the area behind the ear seal to provide a better fit for individuals with a narrower head. Made of polyfoam and fabric with hook/loop fasteners. For CGF helmets a 3/8" thick round spacer #95050 is available.

Oregon Aero Oval Ear Cup Spacers

Oval Ear Cup Spacers:

Oregon Aero Triangle Ear Cup Spacers

Triangle Ear Cup Spacers:

Oregon Aero Helmet Skull Cap


Oregon Aero Helmet Skull Cap

Oregon Aero's Helmet Skull Cap absorbs perspiraiton and reduces wear and tear on your ZetaLiner® Helmet Liner. Skull cap was designed to not contact your ears and prevent painful pressure.

Aviation Helmet Microphone Cords


Aviation Helmet Microphone Cords

Aviation helmet microphone cords are available in custom lengths. Custom orders take a minimum of two weeks to ship. For more information or assistance give us a call 800-888-6910.

Replacement Harnesses


We offer microphone cords, harnesses, mountings, microphone/boom assemblies and other accessories for the convenience of our customers. If you would like assistance in finding the exact part you need, give us a call at 800-888-6910

Aviation Helmet Replacement Harness 98363

Dual plugs, straight cord. PJ-068, PJ-055 plug styles.

For Civilian SPH® Helmet #98363

Aviation Helmet Replacement Harness 98364

Dual plugs, coil cord. PJ-068, PJ-055 plug styles.

For Civilian SPH® Style Helmet #98364

Aviation Helmet Replacement Harness 98343

Single plug, straight cord. U-174/U (TP-120) plug style.

For Military/Civilian Helicopter SPH® Style Helmet #98343

Aviation Helmet Replacement Harness 98344

Single plug, coil cord. U-174/U (TP-120) plug style.

For Military/Civilian Helicopter SPH® Style Helmet #98344

Aviation Helmet Replacement Harness 98341

Single plug, straight cord. U-174/U (TP-120) plug style.

For Military Fixed Wing/Helicopter or Civilian Helicopter HGU Helmet #98341

Aviation Helmet Replacement Harness 98342

Single plug, coil cord. U-174/U (TP-120) plug style.

For Military/Civilian Helicopter HGU Helmet #98342

Aviation Helmet Replacement Harness 98361

Dual plugs, straight cord. PJ-068, PJ-055 plug styles.

For Civilian HGU Helmet #98361

Aviation Helmet Replacement Harness 98362

Dual plugs, coil cord. PJ-068, PJ-055 plug styles.

For Civilian HGU Helmet #98362

Helmet Microphone Assemblies and Parts


Aviation Helmet Microphone Boom Assemblies

Complete Replacement Microphone/Boom Assemblies

A: Flexible (Gooseneck) Boom w/Waterproof Electret Mic #98305-7

Wire available in 7 inch length only.

B: Combination Wire Frame and Flexible Boom w/Waterproof Electret Mic #98304

Mic available in Black or Gray. Wire available in 7" or 14" length.

C: Wire Frame Boom w/M-87 Military Mic w/Pre-amp for Civilian Equipment #98302

Wire available in 7" or 14" length.

D: Military Wire Frame Boom w/M-87 Mic & Cord #98301

E: Wire Frame w/Electret Mic & Cord #98303

Mic available in Black or Gray. Wire in 7" or 14" length.

Wire Boom Microphone Mounts


Aviation Helmet Single Screw Wire Boom Mount

Single-Screw Wire Boom Mount

Aviation Helmet Two Single Screw Wire Boom Mount

Two-Screw Wire Boom Mount

Aviation Helmet Boom Mount Bayonet Oxygen Receiver

Mount for Bayonet Oxygen Receiver

Aviation Helmet Wire Frame Mic Boom Replacement #98311

Wire Frame Mic Boom Replacement

Available in black or chrome.

Replacement Speakers/Microphones


Civilian Helmet 300 Ohm Speaker 98332

300 Ohm replacement speaker. Replace both the speaker and microphone to convert a military helmet to civilian. Price is for a single speaker. For assistance, call Oregon Aero at 800-888-6910.

Civilian Helmet 300 Ohm Replacement Speaker

Replacement Electret Mic for Socket Style Boom 98700

Replacement Mic for Socket Style Boom #98700

Available in black or gray.

Replacement Electret Mic for Wire Boom 98500

Replacement Mic for Wire Boom #98500

Available in black or gray.

Military Dynamic Microphone M-87

Military Dynamic M-87 Mic #98400

Available only in black.

Plug Adapters


Other adapter styles available. Call Oregon Aero at 800-888-6910 for assistance.

Single Plug to Dual Plug Adapter 97500

Single Plug to Dual Plug Adapter #97500

Adapter cord does not amplify military headsets. Uses PJ-068, PJ-055 plugs.

Dual Plugs to Single Plug Adapter 97600

Dual Plugs to Single Plug Adapter #97600

Adapter cord does not amplify military headsets. Uses PJ-068, PJ-055 plugs.

Single Military Plug to Dual Civilian Plug Adapter with Amp #98393-12

Single Military Plug to Dual Civilian Plug Adapter with Amp #98393-12

Allows military headset or helmet to be used in civilian aircraft. We stock 12" but custom lengths can be ordered. Uses U-174/U (TP-120) plug. Custom orders may take at least two weeks to ship.

Single Military Plug to Single Civilian Plug Adapter with Amp #98391-12

Single Military Plug to Single Civilian Plug Adapter with Amp #98391-12

Allows military headset or helmet to be used in civilian aircraft. We stock 12" but custom lengths can be ordered. Uses U-174/U (TP-120) plug. Custom orders may take at least two weeks to ship.