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4820-00-779-0750

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-00-779-0750
(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
01/01/1962 (64 years ago)

weight disk loading method, automatic valve operation method, flange 1st end connection type, round 1st end flange shape, disk flow control device

Specs & Compatibility

Flow Control Device

disk

Disk Loading Method

weight

Valve Operation Method

automatic

Flange Shape

round 1st end

Connection Type

flange 1st end

Mounting Facility

bracket

Mounting Position

horizontal or vertical

Valve Size

1.000 inches

Maximum Operating Pressure

600.0 pounds per square inch single response

Nominal Outside Diameter

4.875 inches 1st end

Face To Face Distance

8.500 inches

Nominal Thickness

0.687 inches 1st end

Bolt Hole Nominal Diameter

0.750 inches all ends

Bolt Circle Nominal Diameter

3.880 inches all ends

Flange Face Design

raised straight 1st end

Raised Face Nominal Height

0.250 inches 1st end

Raised Face Nominal Diameter

2.000 inches 1st end

Material

asbestos packing

Material

steel comp 416 seat

Material

steel corrosion resisting flow control device

Material

steel uns j03002 body

Material Document And Classification

astm a216, grade wcb assn std single material response body

Material Document And Classification

astm a351, grade ca15 assn std single material response flow control device

Material Document And Classification

astm a473, type 416 assn std single material response seat

Media For Which Designed

steam single response

Style Designator

straight thru flanged ends

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-779-0750?
The FSCG of the NSN 4820-00-779-0750 is 4820
Does the NSN 4820-00-779-0750 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-779-0750 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 4820-00-779-0750 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-779-0750 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 4820-00-779-0750 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962