D-2507

View detailed technical data, stock status, and sourcing information for: D-2507
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-265-3181

Item Name Code

05488

Assigment Date

10/11/1987 (38 years ago)

A self-acting valve designed for controlling, by means of a thermostatic element, the flow of liquids or gases therethrough. The thermostatic element is located in liquid or gas whose temperature is controlled by the heat of the liquid or gas flowing through the valve. See also valve, relief, pressure and temperature.

4820-01-265-3181, safety relief valve

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-167-2674	No Name Available	02/01/2011
4820-01-203-5140	No Name Available	07/01/2016

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
43185	Safety Relief Valve
D-2507	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-265-3181?

The FSCG of the NSN 4820-01-265-3181 is 4820

Does the NSN 4820-01-265-3181 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-265-3181 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 4820-01-265-3181 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-265-3181 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 4820-01-265-3181 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Oct 11, 1987