Price List - OREGON AERO® AVIATION HELMET UPGRADES

Oregon Aero® Aviation Helmet Upgrade Kits

The World's Greatest Helmet Is the One You Already Own!®
— With an Oregon Aero® Upgrade.

Price List
All Prices are Subject to Change.
Shipping Information

Aviation Helmet Upgrade Kit for the HGU-84P (Military) Helmet

To purchase this kit, find your helmet size on the chart below. Use the “Select” drop down windows, to choose the ZetaLiner® Helmet Liner length, the ZetaLiner® Helmet Liner thickness and the microphone type. Use the links provided for assistance.

Complete HGU-84P Military Aviation Helmet Upgrade
Includes SoftSeal® Ear Cushions, SoftSkin® Ear Seal Covers, HushKit® Passive Ear Cup Noise Attenuation Kit, MicMuff® Microphone Cover & ZetaLiner® Helmet Liner

NSN list below

HELMET SIZE	RECOMMENDED ZETALINER® HELMET LINER LENGTH

Medium Large X-Large XX-Large	12"-13" 13"-14" 14"-15" 14"-15"

NOTE: The most common thickness is 3/8". If your liner has been heated and fitted, select one size thinner.

IF YOUR TPL® LINER HAS:	THEN TRY:
2 Layers	1/4" ZetaLiner® Liner
3 Layers	3/8" ZetaLiner® Liner
4-5 Layers	1/2" ZetaLiner® Liner
5+ Layers	5/8" ZetaLiner® Liner

NOTE: This kit includes the recommended upgrade components. If your helmet is extremely loose, contact Oregon Aero before ordering at 800-888-6910 or by email: customerservice@oregonaero.com.

ZetaLiner® Helmet
Liner Length

If you know the size of your helmet, refer to the chart on left to determine the length of your liner.

Then, click here to see how to properly measure your helmet.

TPL® thickness

Microphone Type

Not sure what kind of mic you have? Click Here for samples.

$ 206.00

	Measure the inside of your helmet from front to back, down into the bowl, as shown in the photo. Indicate length above.

NSN LIST
12" ZetaLiner® Helmet Liner	13" ZetaLiner® Helmet Liner	14" ZetaLiner® Helmet Liner	15" ZetaLiner® Helmet Liner
1/4" thick: NSN8475-01-718-3318 3/8" thick: NSN 8475-01-472-3774 1/2" thick: NSN 8475-01-472-3319 5/8" thick: NSN 8475-01-472-3321	1/4" thick: NSN 8475-01-472-3776 3/8" thick: NSN 8475-01-472-3320 1/2" thick: NSN 8475-01-472-3323 5/8" thick: NSN 8475-01-472-3777	1/4" thick: NSN 8475-01-472-3322 3/8" thick: NSN 8475-01-472-3324 1/2" thick: NSN 8475-01-472-3779 5/8" thick: NSN 8475-01-472-3326	1/4" thick: NSN 8475-01-472-3325 3/8" thick: NSN 8475-01-472-3780 1/2" thick: NSN 8475-01-472-3327 5/8" thick: NSN 8475-01-472-3770
HushKit® Kit #95050 NSN 8475-01-387-8822		SoftSeal® Ear Seal #20050 NSN 5965-01-387-8681
MicMuff® Mic Cover Electret NSN 5965-01-480-8986 Military NSN 5965-01-387-8700

Dynamic Mic
Electret Mic
Military Dynamic

Back to Aviation Helmets

If you are not satisfied with your Oregon Aero, Inc. product for any reason, return it to the place of purchase within 30 days of purchase, in good condition and with the receipt, for a full refund or exchange.

VISA or MasterCard accepted. We welcome U. S. Government IMPAC Cards.
$6.50 minimum shipping and handling charge. Click below for shipping information.