4820-01-455-1779

Find complete technical information, availability, and procurement data for: 4820-01-455-1779
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-455-1779

Item Name Code

27565

Assigment Date

04/24/1998 (28 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

threaded internal pipe first end connection type, water, oil or gas media for which designed, straight thru body style, plain first end style designator, unable to decode stem material

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
Stem Material: unable to decode
Media For Which Designed: water, oil or gas
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Second End Style Designator: plain
Second End Thread Size And Series/Type Designator: unable to decode
Second End Thread Direction: right-hand
Face To Face Distance: 2.875 inches nominal
Flow Control Device: stem and integral disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Regulation Type: manual single stage
Manual Control Method: knob
Maximum Inlet Pressure Rating: 3000.0 pounds per square inch
Filter: not included
End Item Identification: hydraulic tub, cage 31442
Temp Rating: 250.0 fahrenheit maximum
Special Features: 1/2 inch inline manual regulating valve
Material: unable to decode
Material Document And Classification: unable to decode

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
5793190 FIND 105	Fluid Pressure Regulating Valve
808NGT-08-SS-C	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-455-1779?

The FSCG of the NSN 4820-01-455-1779 is 4820

Does the NSN 4820-01-455-1779 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-455-1779 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 4820-01-455-1779 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-455-1779 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 4820-01-455-1779 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Fri, Apr 24, 1998