Model: 21ER4
Sensitive Switch3.937 inches overall length, 1.984 inches overall height, 2.547 inches overall width, round actuator style, 0.244 inches actuator diameter.
Properties:
A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. Includes membrane switch. excludes switch, flexible; switch, pressure; and switch, thermostatic.
Part 21ER4 NSN 5930-00-034-0571
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
End Items End applications NSN 5930-00-034-0571 is a component of
- Stratofortress B-52 Aircraft
- Stratolifter C/kc-135 Aircraft
- Galaxy C-5 Aircraft
- E-3a Awacs Aircraft
- Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
- B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
- Tf-33-p-7 (c-141a/b) Aircraft Engine
- Joint Stars Target Radar System
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Schedule B and Export
- Schedule B: 8536509050
- SITC: 77255
- End Use: Electric apparatus
- NAICS: 335931
- USDA: 1
Freight Class: Switches, slide, for a voltage not exceeding 1,000 v
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