4820-01-257-4406

Find complete technical information, availability, and procurement data for: 4820-01-257-4406
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-257-4406

Item Name Code

35935

Assigment Date

06/19/1987 (39 years ago)

A switch that is actuated by changes in ambient temperature. Excludes:circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

straight thru style designator, 0.500 inches all ends nominal thread size, plain (pipe) all ends connection style, threaded external pipe all ends connection type, right-hand all ends thread direction

Product Characteristics

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

Thread Direction: right-hand all ends
Connection Style: plain (pipe) all ends
Connection Type: threaded external pipe all ends
Nominal Thread Size: 0.500 inches all ends
Style Designator: straight thru
Thread Series Designator: ptf-sae short all ends

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
A1386V	Vent Valve
AAA01386V	Vent Valve

FAQs

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

What is the FSCG of the NSN 4820-01-257-4406?

The FSCG of the NSN 4820-01-257-4406 is 4820

Does the NSN 4820-01-257-4406 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-257-4406 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 4820-01-257-4406 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-257-4406 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 4820-01-257-4406 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jun 19, 1987