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One-Piece Locking Gasket (LK1663)

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One-Piece Locking Gasket Window Seal

This locking gasket measures 0.875” x 0.220” with a 1/8” edge. It accounts for ¼” glass. With outstanding color stability, odor-free characteristics and high heat resistance, locking gasket seals can be used in a wide range of industries and applications, such as in the aerospace industry, on playground or safety equipment, medical devices and more.

LK1663 *
Optional Customer Part Number
  • Buy 5 or more and pay $232.20 each (save $28.40 each)
  • Buy 25 or more and pay $191.60 each (save $69.00 each)

*Price breaks, where applicable, will be reflected in cart*


For volume pricing above 5,000 feet, please contact Trim-Lok at 888-874-6565

Price: $260.60

Part Number: LK1663

Description Trim-Lok’s One-Piece Locking Gasket is a rubber extrusion designed to lock in the installation of stationary windows or windshields. Locking gaskets provide a secure seal between a metal or fiberglass body panel and a glass or plexiglass window. Available in one-piece and two-piece styles with a lock strip, locking gasket window seals are highly resistant to numerous environmental conditions and easy to install.
Resistance to Ozone – Excellent
Water Absorption – Excellent
Sunlight Aging – Excellent
Low Temperature – Excellent
General Temperature Rating -30 Degrees to 158 Degrees
Material G.P 70 Durometer EPDM, Black, dense EPDM rubber to meet ASTM
D2000 M2BA710 C12, EA14, F17, Z1, Z2, Z3; Z1= Comp. Set 22 hrs. @ 100 C, 30% max., Z2= Non-blooming, Z3= 73 +/- 3 (uncured) shore A.
Must be capable to meet EPDM per SAE J200BC715 C12 C 20.
Hardness 70+/- 3
Elongation 200 (250 according to D2000)

Tensile

1450 PSI min.

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Learn how to install a Trim-Lok Two Piece Locking Gasket and see additional size options

How to Install Locking Gaskets

Wondering how to install your locking gasket window seal? Follow our step-by-step instructions for easy installation.

Part # Glass Panel Thickness Body Panel Thickness Min Recommended Clearance Between Glass & Edge Overall Height Min Recommended Radius of Panel Opening

Weight per Foot

LK1522 0.1875" - .250" 0.035" - 0.067" 0.3125" 1.07" 2.5" 0.275 lbs.
LK1663 0.1875" - .250" 0.09" - 0.14" 0.25" 0.9" 1.5" 0.196 lbs.
LK987 0.1875" - .250" 0.09" - 0.14" 0.3125" 1.07" 2.5" 0.246 lbs.
LK1536 0.1875" - .250" 0.1875" - 0.25" 0.406" 1.09" 3.5" 0.255 lbs.
LK1615 0.1875" - .250" 0.06" - 0.09" 0.3125" 0.906" 2.5" 0.275 lbs.
LK1621 0.1875" - .250" 0.046" - 0.075" 0.125" 0.937" 2.0" 0.260 lbs.
LK1660 0.1875" - .250" 0.075" - 0.140" 0.145" 1.00" 2.0" 0.293 lbs.