4820-01-439-4900

Find complete technical information, availability, and procurement data for: 4820-01-439-4900
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-439-4900

Item Name Code

32528

Assigment Date

12/10/1996 (29 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

relief valve type for which designed, copper alloy material, 0.750 inches valve size for which designed, mars class afs end item identification, 913 valve model number for which designed

Product Characteristics

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

End Item Identification: mars class afs
Valve Type For Which Designed: relief
Valve Size For Which Designed: 0.750 inches
Valve Model Number For Which Designed: 913
Material: copper alloy

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
13859004124	Fluid Valve Stem
20-913-3-4-B	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-439-4900?

The FSCG of the NSN 4820-01-439-4900 is 4820

Does the NSN 4820-01-439-4900 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-439-4900 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 4820-01-439-4900 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-439-4900 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 4820-01-439-4900 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Dec 10, 1996