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Parts & Accessories

How To Find Parts:

To find parts by identifying them through a diagram, click the link below. After selecting the image of the part you are looking for, you will be redirected to the information page on that part.

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The helmet mounting solution for night vision goggles has come a long way in the last 20 years, and to date, Aviation Specialties Unlimited, Inc. is proud to distribute the most effective and precise products of helmet mounting, parts, and accessories.

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Eyepiece Focus Ring
NSN No. 5855-01-380-5100 Item is a breakdown component of the Eyepiece Lens Assembly (P/N...
Eyepiece Indicator Plate
NSN No. 6650-01-381-2117 Item is a breakdown component of the Eyepiece Lens Assembly (P/N...
Eyepiece Lens, 25mm-ER

NSN No. 5855-01-380-5102

Eyepiece Lens Assembly with 25mm Eye Relief

Eyepiece Locking Ring

P/N 5005838

NSN No. 5310-01-261-5494

Eyepiece O-Ring

P/N AS3578-028

NSN No. 5330-00-551-8251

Eyepiece Slotted Sleeve

P/N 5009547

NSN No. 5855-01-380-9950

Eyepiece Snap Ring

P/N 5009550

NSN No. 5855-01-380-5097

Fiber Washer

P/N 5009685

NSN No. 5310-01-450-5908

Flat Head Screw

P/N MS51959-2B 

NSN No. 5305-00-455-2508

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