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Worldwide distributor of NSN parts and consumables located in the USA.

Weapon System Resilient Mount

Model / MPN: 21639-3 | NSN: 5342-00-377-0407
ITAR Registered seal

An item made of material having elastic properties. it may have rigid mounting facilities such as a flang (s), sleeve(s), stud(s) or the like. it is designed to isolate or dampen shock and/or vibration of a continuous or intermittent origin and serve as a support for a weapon system component to be isolated. excludes mount, resilient, general purpose; spring (as modified) ; bumper, nonmetallic; bumper, rubber; bushing, nonmetallic; hydraulic and pneumatic shock absorbers, dash-pots, grommets, and shock pads.

Product Details
NATO Stock Number
5342-00-377-0407
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Distance Between Mounting Hole Centers
Between 3.745 inches and 3.755 inches
Flange Length
4.828 inches
Maximum Load Rating
400.0 pounds
Flange Mounting Hole Diameter
Between 0.380 inches and 0.400 inches
Height
Between 2.188 inches and 2.312 inches
Material
Steel core
Material
Steel mounting plate
Material Specification
Qq-s-637, comp 1117 or 1118 federal specification single material response core
Material Specification
Qq-s-698 comp 1009 through 1020 federal specification single material response mounting plate
Surface Treatment
Paint mounting plate

Pricing and Availability

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21639-3 Cross Reference
  • J7781-118
  • 2603510