4820-01-431-1372

Find complete technical information, availability, and procurement data for: 4820-01-431-1372
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-1372

Item Name Code

32528

Assigment Date

05/08/1996 (30 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

lift-check valve type for which designed, 9.310 inches nominal overall length, 0.996 inches minimum and 0.998 inches maximum largest outside diameter, 4.000 inches valve size for which designed, w/s code, fire fighting equipment end item identification

Product Characteristics

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

Overall Length: 9.310 inches nominal
End Item Identification: w/s code, fire fighting equipment
Largest Outside Diameter: 0.996 inches minimum and 0.998 inches maximum
Valve Type For Which Designed: lift-check
Valve Size For Which Designed: 4.000 inches
Stem Actuating End Type: threaded externally
Valve Model Number For Which Designed: diaph. oper. check valve
Material: copper alloy
Material Document And Classification: astm-b446 assn std single material response

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
6983468 PC76	Fluid Valve Stem
803-6983468-PC076	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-431-1372?

The FSCG of the NSN 4820-01-431-1372 is 4820

Does the NSN 4820-01-431-1372 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-431-1372 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 4820-01-431-1372 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-1372 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 4820-01-431-1372 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, May 8, 1996