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4820-01-103-3260

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-103-3260
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05487
(FIIG) Federal Item Identification Guide
A530B0
Date
11/12/1980 (45 years ago)

round with holes all ends flange shape, 4 all ends bolt hole quantity, disk flow control device, flange all ends connection type, automatic valve operation method

Specs & Compatibility

Flow Control Device

disk

Bolt Hole Quantity

4 all ends

Valve Operation Method

automatic

Flange Shape

round with holes all ends

Connection Type

flange all ends

Mounting Facility

bracket

Mounting Position

horizontal

Valve Size

0.500 inches

Nominal Outside Diameter

3.750 inches all ends

Face To Face Distance

6.500 inches

Nominal Thickness

0.875 inches all ends

Bolt Hole Nominal Diameter

0.625 inches all ends

Bolt Circle Nominal Diameter

2.625 inches all ends

Flange Face Design

plain all ends

Material

steel corrosion resisting overall

Material Document And Classification

astm a351,grade cf8m assn std single material response overall

Style Designator

straight thru flanged ends

Furnished Items And Quantity

1 nut

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005487

Related Hardware Products

Part Number Description
842-504060-331 Check Valve
NS-4029 ASSEMBLY 6A 1/2IN Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-103-3260?
The FSCG of the NSN 4820-01-103-3260 is 4820
Does the NSN 4820-01-103-3260 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-103-3260 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 4820-01-103-3260 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-103-3260 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 4820-01-103-3260 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Wed, Nov 12, 1980