MIL-DTL-3950
View detailed technical data, stock status, and sourcing information for: MIL-DTL-3950
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Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5930 Switches
National Stock Number
5930-00-008-8251
Item Name Code
00184
Assigment Date
07/23/1972 (54 years ago)
A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. Includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. Excludes:switch,lever; switch,rotary; switch,knife; switch,sensitive; and switch,box.
watertight hazardous locations/environmental protection, 2.980 inches nominal overall height, bushing mount body style, 2a thread class, 1.340 inches maximum overall length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Body Style
- bushing mount
- Hazardous Locations/Environmental Protection
- watertight
- Overall Length
- 1.340 inches maximum
- Overall Height
- 2.980 inches nominal
- Overall Width
- 0.910 inches maximum
- Bushing Length
- 0.470 inches nominal
- Body Length
- 1.340 inches maximum
- Body Width
- 0.910 inches maximum
- Body Height
- 1.100 inches nominal
- Actuator Style
- round
- Actuator Diameter
- 0.420 inches nominal
- Actuator Height
- 1.140 inches nominal
- Actuator Position-Action Relationship
- up position maintained and down position momentary and center position maintained
- Actuator Position-Locking Relationship
- up position no locking action and down position no locking action and center position locked in
- Maximum Voltage Rating In Volts
- 115.0 ac and 28.0 dc
- Mounting Surface To Terminal End Distance
- 1.370 inches maximum
- Inclosure Type
- fully inclosed
- Mounting Method
- threaded bushing
- Features Provided
- actuator seal
- Thread Quantity Per Inch
- 32
- Nominal Thread Size
- 0.469 inches
- Nonpile-Up Contact Arrangement
- 2 pole, double throw, one position momentary, two positions maintained single switch unit
- Contact Load Current Rating At Maximum Rated Voltage
- 18.000 amperes resistive dc and 10.000 amperes inductive dc and 5.000 amperes lamp dc and 11.000 amperes resistive ac and 8.000 amperes inductive ac and 2.000 amperes lamp ac
- Material
- plastic case
- Test Data Document
- "81349-mil-s-3950 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
- Thread Series Designator
- uns
- Terminal Type And Quantity
- 6 screw
- Specification/Standard Data
- 96906-ms27408 government standard
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 2TL1-56E | Toggle Switch |
| 51-220204 | Toggle Switch |
| 8504K56 | Toggle Switch |
| MIL-DTL-3950 | Toggle Switch |
| MIL-S-3950 | Toggle Switch |
| MS27408-2E | Toggle Switch |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5930-00-008-8251?
The FSCG of the NSN 5930-00-008-8251 is 5930
Does the NSN 5930-00-008-8251 have a Schedule B code assigned?
Yes, the Schedule B code is 8536509065
Does NSN 5930-00-008-8251 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5930-00-008-8251 contain precious materials?
Precious metal content is unknown
Does NSN 5930-00-008-8251 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 5930-00-008-8251 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sun, Jul 23, 1972
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Material | 29 |
| New Surplus | 6 |
| Total | 35 |
Availability of this item was last updated on:
07/08/2026 11:07 AM EDT.
Stock levels and pricing are subject to change.