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4820-00-147-5873

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-00-147-5873
(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
09/29/1971 (55 years ago)

weight disk loading method, automatic valve operation method, threaded renewable seat ring type, disk flow control device, 16 1st end bolt hole quantity

Specs & Compatibility

Flow Control Device

disk

Disk Loading Method

weight

Renewable Seat Ring Type

threaded

Bolt Hole Quantity

16 1st end

Valve Operation Method

automatic

Flange Shape

round with holes 1st end

Connection Type

flange 1st end

Mounting Position

horizontal

Criticality Code Justification

zzzy

Nominal Outside Diameter

15.000 inches 1st end

Face To Face Distance

21.750 inches

Nominal Thickness

1.438 inches 1st end

Bolt Hole Nominal Diameter

0.812 inches 1st end

Bolt Circle Nominal Diameter

13.562 inches 1st end

Flange Face Design

plain 1st end

Material

copper alloy overall

Media For Which Designed

water-oil-gas single response

Style Designator

straight thru

Reference Number Differentiating Characteristics

material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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 4820-00-147-5873?
The FSCG of the NSN 4820-00-147-5873 is 4820
Does NSN 4820-00-147-5873 require demilitarization?
Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).
Does NSN 4820-00-147-5873 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-147-5873 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 4820-00-147-5873 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Sep 29, 1971