T20A-E-4.2

View detailed technical data, stock status, and sourcing information for: T20A-E-4.2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5945 Relays and Solenoids

National Stock Number

5945-01-299-6208

Item Name Code

03883

Assigment Date

05/04/1989 (37 years ago)

An item which provides a predetermined delay to an electrical pulse, while maintaining substantially the same waveform. The delay is obtained by means of a real or artificial transmission line or equivalent device. The equivalent device may be acoustic, distributive, lumped constant, magnetic solid state, or surface acoustical wave type. See also attenuator, (as modified); transformer, (as modified); and oscillator, pulse delay.

460.0 ac contact maximum voltage rating in volts, 1.520 inches nominal overall height, 3.000 inches nominal overall length, 1.520 inches nominal overall width, 4.2 ac contact maximum current rating in amps

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 3.000 inches nominal
Overall Height: 1.520 inches nominal
Overall Width: 1.520 inches nominal
Contact Maximum Voltage Rating In Volts: 460.0 ac
Contact Maximum Current Rating In Amps: 4.2 ac
Delay Time In Seconds: 3.4 adjustable operate and release minimum and 5.0 adjustable operate and release maximum

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5945-01-269-3881	No Name Available	09/01/1997

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
40111168	Thermal Relay
CS-DP9308C ITEM 2	Thermal Relay
LRD1510	Thermal Relay
PC24100P042	Thermal Relay
R-20E-4.2	Thermal Relay
T20A-E-4.2	Thermal Relay

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5945-01-299-6208?

The FSCG of the NSN 5945-01-299-6208 is 5945

Does NSN 5945-01-299-6208 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 5945-01-299-6208 contain precious materials?

Item does not contain precious metal.

Does NSN 5945-01-299-6208 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5945-01-299-6208 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, May 4, 1989