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Testing
shows dramatic energy absorption with our ZetaLiner® Helmet Liner. Cool, washable, wear-resistant. Self-wicking,
light weight.
Unsure what to order? Call Dan, our helmet specialist, for
help.
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| The
ZetaLiner® Helmet Liner reduces skin temperature by 1.5°F. |
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| ZetaLiner® Helmet Liner fittings take 3-5 minutes. |
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| "I
flew with the ZetaLiner® Helmet Liner (and other upgrade
components) in my HGU-68P helmet for the S-3B today and was
very impressed
with the comfort and the sound protection. Usually, I’m
turning up the volume on the radios while we are flying
at higher
airspeeds, but not so today. The liner and ear protection worked
as advertised." — Lt. F.O. |
|
| |
"Over
the past 15 years I have flown over 30 different fixed and
rotary
wing aircraft across the spectrum of Combat to Developmental
Test and Evaluation. The single biggest operational enhancement
I have personally experienced is the Oregon Aero®
ZetaLiner®.
The fatigue associated with tactical NVG evolutions is primarily
(caused by) a poorly fitting helmet.
The ZetaLiner® Hlmet Liner instantly eliminates
the helmet induced fatigue, qualifying it as a ‘Combat
Enhancement’.
Two additional Oregon Aero products are notable, the SoftSeal® Ear Cushions and SoftSeat® Cushion. The...cushions
contribute significantly to managing fatigue and ensuring a
consistently
tailored fit each time you strap on an aircraft. I recommend
the ZetaLiner® (Helmet Liner) to anyone required to operate
in a high workload environment wearing a helmet, especially
if
NVD’s
are also required. It will make a believer out of you immediately."
— D.A., AH-1W WTI/ETP |
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Oregon
Aero® Aviation
Helmet Upgrades
|
 |
| |
| Easy
Helmet Liner Fitting |
|
 |
|
Apply
self-adhesive hook
(as needed). |
|
| Place
Liner inside helmet. |
|
| The
ZetaLiner® Helmet Liner
is retained by hook/loop. |
|
|
No more hour-long fitting sessions that require
liner heating! ZetaLiner® Helmet Liner
upgrades can be done in minutes as shown above. Call our helmet
specialist, Dan,
at
800-888-6910
for assistance. See the following information about how to
select
the correct ZetaLiner® Helmet Liner length and thickness. |
|
|
| How
to Select the Correct ZetaLiner® Helmet Liner Length and Thickness |
|
Choosing
a ZetaLiner® Helmet Liner Length
Measure the inside of your
helmet from front to back, down into the bowl, as shown in the
photo. Then consult the chart below and find the correct part
number. |
| Choosing
a ZetaLiner® Helmet Liner Thickness |
The
ZetaLiner® Helmet Liner comes in four thicknesses: 1/4",
3/8",
1/2" and 5/8".
The most commonly used thickness
is 3/8". To select the proper ZetaLiner® Helmet
Liner thickness, review the information below, then find
your part number.
NOTE: If your TPL®* has been heated
and fitted, you will probably need a ZetaLiner® Helmet Liner
one thickness thinner than those listed below. |
| 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:
The sizing informaton above is intended to suggest a starting
point for the fitting process. Each pilot should be fitted
individually
for comfort and stability. Final results may differ from the
above data. We are committed to helping customers select
the
proper ZetaLiner® Helmet Liner.
|
 Back to Helmet Upgrade Chart
HELMET
TYPE |
HELMET
SIZE |
ZETALINER® HELMET LINER
LENGTH |
Rotorcraft
Helmets |
|
| SPH-4®* |
Regular
Large
X-Large |
15"
16"
16" |
| SPH-4B®* |
Regular
X-Large |
15"
16" |
| SPH-5®* |
Regular
X-Large |
15"
16" |
| HGU-56 |
Regular
Large
X-Large |
15"
16"
17" |
| HGU-84 |
Medium
Large
X-Large
X-Large Wide |
12"-13"
13"-14"
14"-15"
14"-15" |
Fixed
Wing
Helmets |
|
| HGU-33 |
Medium
Large
X-Large |
12"-13"
13"-14"
14"-15" |
| HGU-55 |
Medium
Large
X-Large |
12"-13"
13"-14"
14"-15" |
| HGU-68 |
Medium
Large
X-Large
X-Large Wide |
12"-13"
13"-14"
14"-15"
14"-15" |
| HGU-85 |
Medium
Large
X-Large
X-Large Wide |
12"-13"
13"-14"
14"-15"
14"-15" |
| CGF |
Medium
Large
X-Large
|
12"
13"
14" |
| Alpha |
Please
call Oregon Aero for information. |
|
Back
to Helmet Upgrade Chart
ZetaLiner® Helmet Liner Part Information
GSA
Schedule #GS-07F-5489R |
NOTE:
The following ZetaLiner® Helmet Liner part numbers are easy
to understand.
"95" indicates helmet component, the next two numbers
(for example "12") represent the ZetaLiner® Helmet
Liner length, and the last number represents the thickness
in 1/8" increments.
Need help? Call Dan, Oregon Aero helmet specialist. Refer back
to the length and thickness selection
information above if necessary. |
The
following are for Styroliner internal measurement 12"
from front to back: |
| #95122A
ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3318
#95123A ZetaLiner® Helmet Liner
3/8" thick: NSN 8475-01-472-3774
#95124A ZetaLiner® Helmet Liner
1/2" thick: NSN 8475-01-472-3319
#95125A ZetaLiner® Helmet Liner
5/8" thick: NSN 8475-01-472-3321 |
| |
The
following are for Styroliner internal measurement 13"
from front to back: |
#95132A ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3776
#95133A ZetaLiner® Helmet
Liner
3/8" thick: NSN 8475-01-472-3320
#95134A ZetaLiner®
Helmet Liner
1/2" thick: NSN
8475-01-472-3323
#95135A ZetaLiner® Helmet
Liner
5/8" thick: NSN 8475-01-472-3777
|
| |
The
following are for Styroliner internal measurement 14"
from front to back: |
#95142A
ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3322
#95143A ZetaLiner® Helmet Liner
3/8" thick: NSN 8475-01-472-3324
#95144A ZetaLiner® Helmet Liner
1/2" thick: NSN 8475-01-472-3779
#95145A ZetaLiner® Helmet Liner
5/8" thick: NSN 8475-01-472-3326 |
| |
The
following are for Styroliner internal measurement 15"
from front to back: |
#95152A ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3325
#95153A ZetaLiner® Helmet Liner
3/8" thick: NSN 8475-01-472-3780
#95154A ZetaLiner® Helmet Liner
1/2" thick: NSN 8475-01-472-3327
#95155A ZetaLiner®
Helmet Liner
5/8" thick: NSN
8475-01-472-3770 |
| |
The
following are for Styroliner internal measurement 16"
from front to back: |
#95162A
ZetaLiner® Helmet Liner
1/4" thick: NSN
8475-01-472-3781
#95163A ZetaLiner® Helmet
Liner
3/8" thick: NSN 8475-01-472-3773
#95164A ZetaLiner® Helmet
Liner
1/2" thick: NSN 8475-01-472-3775
#95165A ZetaLiner® Helmet
Liner
5/8" thick: NSN 8475-01-472-3783 |
| |
The
following are for Styroliner internal measurement 17"
from front to back: |
#95172A ZetaLiner® Helmet Liner 1/4" thick
#95173A ZetaLiner® Helmet
Liner 3/8" thick
#95174A ZetaLiner® Helmet
Liner 1/2" thick
#95175A ZetaLiner® Helmet
Liner 5/8" thick |
 |
Patterns
for parts, including the ZetaLiner® Helmet Liner, are digitized
to ensure accuracy and precision. |
| *SPH-4®,
SPH-4B®, SPH-5® and TPL® are federally registered
trademarks owned by Gentex Corporation. Use on this web site
of these trademarks is made for reference purposes only. Oregon
Aero has no business affiliation with Gentex. |
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