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4820-01-331-8672

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-331-8672
(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
12/29/1990 (35 years ago)

round with holes all ends flange shape, 4 all ends bolt hole quantity, flange all ends connection type, disk flow control device, 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 Position

horizontal

Nominal Outside Diameter

7.500 inches all ends

Nominal Thickness

0.750 inches all ends

Bolt Hole Nominal Diameter

0.750 inches all ends

Bolt Circle Nominal Diameter

6.000 inches all ends

Flange Face Design

raised straight all ends

Raised Face Nominal Height

0.062 inches all ends

Raised Face Nominal Diameter

5.000 inches all ends

Material

steel corrosion resisting body

Style Designator

straight thru

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
15-SBRF-3 IN Check Valve
15-SRF Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-331-8672?
The FSCG of the NSN 4820-01-331-8672 is 4820
Does the NSN 4820-01-331-8672 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-331-8672 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 4820-01-331-8672 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-331-8672 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 4820-01-331-8672 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Sat, Dec 29, 1990