4820-01-508-8570

Find complete technical information, availability, and procurement data for: 4820-01-508-8570
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-508-8570

Item Name Code

05487

Assigment Date

06/04/2003 (23 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.

gasket seal (hose) all ends connection style, right-hand all ends thread direction, piston flow control device, automatic valve operation method, fuel pump, 600 gpm (fu604g) 4930-01-392-7579 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.

Thread Direction: right-hand all ends
Flow Control Device: piston
End Item Identification: fuel pump, 600 gpm (fu604g) 4930-01-392-7579
Connection Style: gasket seal (hose) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Nominal Thread Size: 1.500 inches all ends
Part Name Assigned By Controlling Agency: check valve
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru
Supplementary Features: 2 inch wrenching flats to facilitate mounting; overall length 3 inches; 1.590 inch inner diameter; threading is 2x 1.500-11.5 npt, external
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 spring

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
93016B4001	Check Valve
CON-150-B-M-1/8	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-508-8570?

The FSCG of the NSN 4820-01-508-8570 is 4820

Does NSN 4820-01-508-8570 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 4820-01-508-8570 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-508-8570 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 4820-01-508-8570 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Wed, Jun 4, 2003