Category Unical Aero

Unical Aero’s H3479-5UA push button latch assembly is used to secure a 737/777 access door in the closed position.


Gland Nut

Installs on: Main Landing Gear

OEM Boeing #: 161A1154-2



The Gland Nut is part of the MLG (Main Landing Gear) Shock Strut. The shock strut is the primary supporting member for the MLG, consists of an integral drag strut, and an outer and inner cylinder.

The Gland Nut together with the Retainer Bolt, are designed to hold the lower Bearing Carrier in place, which the lower and upper Bearing Carriers holds the active and space seals. The Seals provide an air-oil seal between the inner and outer cylinders that keeps the mixture of nitrogen and hydraulic fluid in the sock strut.


B737-600, 700, 800, 900 SERIES


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