Release Nuts

Our Release Nut product line includes compact, shape-memory release actuators designed primarily for axial pre-load applications.

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How the Release Nuts work

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Product specifications

SmartPack Release Nut nD3SP Nano Release Nut nD3RN
Size 74x35x4 mm / 2.91x1.38x0.16 in 17x17x17 mm / 0.67x0.67x0.67 in
Mass 27 grams / 0.95 oz 12 grams / 0.42 oz
Load Axial Load: 200 N / 45 lbf Axial Load: 380 N / 85 lbf
TRL 9 9
Micro Release Nut uD3RN Milli Release Nut mD3RN
Size 25x25x25 mm / 0.9x0.9x0.9 in Ø 56 x 55 mm / Ø 2.204 x 2.165 in
Mass 38 grams / 1.34 oz 225 grams / 8.818 oz
Load Axial Load: 4 kN / 899 lbf Axial Load: 18 kN / 4000 lbf
TRL 9 4 (9 in 2026)

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