4-350AST

View detailed technical data, stock status, and sourcing information for: 4-350AST
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-689-7505

Item Name Code

05487

Assigment Date

07/08/2020 (6 years ago)

An item consisting of a laser source, surrounded by an excitation source, such as a lamp, and associated reflectors, all within an inclosure. It is normally pulsed. It includes associated power supply, and a pulse generator which collectively form a coherent light source.

round 1st end flange shape, round 2nd end flange shape, flange 2nd end connection type, flange 1st end connection type, 4.0 inches valve size

Product Characteristics

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

Flange Shape: round 1st end
Flange Shape: round 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 4.0 inches
Face To Face Distance: 886.0 millimeters
Part Name Assigned By Controlling Agency: double check valve assembly
Special Features: max working water pressure 175psi, max working water temp 140deg fahrenheit, hygrostatic test pressure 350psi,
Material: steel comp 304l body

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
4-350AST	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-689-7505?

The FSCG of the NSN 4820-01-689-7505 is 4820

Does the NSN 4820-01-689-7505 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-689-7505 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 4820-01-689-7505 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-689-7505 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 4820-01-689-7505 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Wed, Jul 8, 2020