HWWLN19881N

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-027-3583

Item Name Code

27565

Assigment Date

05/06/1967 (59 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items

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
19607NL1	Fluid Pressure Regulating Valve
19881NL1	Fluid Pressure Regulating Valve
HWWLN19881N	Fluid Pressure Regulating Valve
HWWLN19881NL1	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-027-3583?

The FSCG of the NSN 4820-00-027-3583 is 4820

Does the NSN 4820-00-027-3583 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-027-3583 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-027-3583 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-027-3583 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 4820-00-027-3583 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Sat, May 6, 1967