.
Provides a non-reflective surface
Prevents scarring of the helmet surface
Provides increased comfort to the wearer
Precludes the use of the dual visor assembly
Snap fastners
Adjustment buckle
Nylon webbing and stretch fabric
Specially designed rubber edge roll cover
+2G's
+4G's
-2G's
-4G's
Automatic brightness control (ABC) sensor
Magnetic receiver unit (MRU)
Cathode ray tube (CRT)
Relay optics assembly
Automatic brightness control (ABC)
Helmet vehicle interface (HVI)
Magnetic receiver unit (MRU)
Cathode ray tube (CRT)
Use a thicker liner
Install thicker spacer pads
Tighten the retention system
Make adjustments to the chin strap
Capped T-nut and pan head screw
Hook and pile fastners
Tie-down strap
Elastic keeper
Provide a front mounting option fro attaching night vision devices
Provide an attachment point for low profile battery packs
Eliminate the need for traditional bayonet receivers
Attachment point for modular lighting system
Beige
Black
Green
Urban Tan
Binocular bridge
Image intensifier
Eye piece lens
Objective lens
Binocular bridge
Image intensifier
Eye piece lens
Objective lens
That it is the newest goggle
What version of goggle it is
That there are many versions in service
That there is only one version in service
Denatured alcohol
Isopropyl Alcohol
Ammoniated window cleaner
Non-Ammoniated window cleaner
10
7
20
35
40
60
95
170
Bridge
Module
Helmet mount
Image intensifier tube
Joint helmet mounted cueing system (JHMCS) ALEP spectacles (JCAS)
Block zero (CLEPIR)
Block zero plus
Block one
KMU-219/P
KMU-474/E
KMU-511/P
KMU-473/P
Open
In place
Removed
Pulled
Hypoxia
Evolved gases
Trapped gases
Hyperventilation
Grey
Green
White
Yellow
30,000
34,000
35,000
40,000
40,000
30,000
35,000
25,000
One way
Two way
Three way
Four way
Regulator fitting
Pressure relief valve
Split ring quick disconnect
Emergency oxygen connector
Provides positive pressure breathing
Attaches the RC to the torso harness
Serves as the central interface for the emergency oxygen hose
Prevents the operator from receiving excessive pressure breathing for gravity
30,000
60,000
50,000
90,000
50 mm Hg
60 mm Hg
70 mm Hg
80 mm Hg
Capped tee nuts and a self locking screw
Flanged tee nuts and star washers
Stainless steel screws and nuts
Strap fastners
4 mm Hg greater
2 mm Hg greater
1 mm Hg greater
2 mm Hg less
+9G's
+4G's
-4G's
-9G's
Microphone
Breathing hose
Bayonet connectors
Exhalation valve cap
Head strap and nape pad assembly
Retention straps on the suspension assembly
Mask harness assembly attached to the suspension assembly
Spring loaded telescoping mounts on the suspension assembly
Chemical scrubber
Hood and head harness
Solid state oxygen source
Venture "pumping" arrangement
5
15
10
20
10 to 17 inches
11 to 18 inches
11 to 19 inches
12 to 20 inches
Shoulders
Neck
Chest
Waist
10 years
10 years, 6 months
12 years
12 years, 6 months
10 seconds
15 seconds
20 seconds
25 seconds
5 minutes
20 minutes
15 minutes
10 minutes
Eliminate ambient air
Allow oxygen into the mask
Provide an anchor for the head strap
Limit each breath to conserve oxygen
Right hand
left hand
Right breast
Left breast
For trimming
Reduce bulk and restrictions
Allow socks to be tucked into flight suit
Prevent water from collecting into the foot area
12
15
21
24
1.0 psi in 1 second
1.5 psi in 2 seconds
1.5 psi in 4 seconds
4.0 psi in 6 seconds
1
2
4
6
Provisions for radio beacon installation
An auxilary kit container
A "hard" kit
A rucksack
Left rear edge
Right rear edge
Left forward edge
Right forward edge
Snap fasteners along each side, and slide fasteners along the front
Snap fasteners along the front, and slide fasteners along each side
Snap fasteners along each side and along the front
Slide fasteners along each side and along the front
Left rear edge
Right rear edge
left front edge
Right front edge
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