4820-00-491-3761

Find complete technical information, availability, and procurement data for: 4820-00-491-3761
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-491-3761

Item Name Code

27565

Assigment Date

10/02/1970 (55 years ago)

straight thru body style, hydraulic fluid, silicate-ester base media for which designed, threaded internal boss first end connection type, gasket seal first end style designator, unable to decode first end thread size and series/type designator

Product Characteristics

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

Body Style: straight thru
Media For Which Designed: hydraulic fluid, silicate-ester base
First End Connection Type: threaded internal boss
First End Style Designator: gasket seal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Class: 3b
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Packing Material: unable to decode
Flow Control Device: poppet
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Mounting Facility: bolts
Outlet Pressure Range: +1850.0 to 2150.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 3500.0 pounds per square inch
Filter: not included
Temp Rating: -65.0 fahrenheit minimum and 275.0 fahrenheit maximum
Criticality Code Justification: aevz and aeva
Material: unable to decode
Material Document And Classification: unable to decode
Surface Treatment: anodize outside
Special Test Features: with deviation as to sample and test procedures by sikorsky
Surface Treatment Document And Classification: mil-a-8625,type 2 mil spec single treatment response outside
Test Data Document: "81349-mil-v-8813 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
65651-05039-101	Fluid Pressure Regulating Valve
72076	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-491-3761?

The FSCG of the NSN 4820-00-491-3761 is 4820

Does the NSN 4820-00-491-3761 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-491-3761 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 4820-00-491-3761 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-491-3761 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 4820-00-491-3761 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Oct 2, 1970