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GV500TC20FMK Check Valve

4820-01-059-1173

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Official Item Classification

Name
Check Valve
Part Number
GV500TC20FMK
(NSN) National Stock Number
4820-01-059-1173
(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
04/06/1978 (48 years ago)

spring disk loading method, poppet flow control device, 400.0 fahrenheit single response maximum operating temp, plain (tube) 1st end connection style, 4 2nd end bolt hole quantity

Specs & Compatibility

Flow Control Device

poppet

Disk Loading Method

spring

Bolt Hole Quantity

4 2nd end

Maximum Operating Temp

400.0 fahrenheit single response

Connection Style

plain (tube) 1st end

Nominal Width

2.188 inches 2nd end

Nominal Length

2.188 inches 2nd end

Valve Operation Method

automatic

Flange Shape

rectangular with holes 2nd end

Connection Type

flange 2nd end

Connection Type

unthreaded external tube 1st end

Mounting Position

horizontal

Maximum Operating Pressure

400.0 pounds per square inch single response

Nominal Thickness

0.300 inches 2nd end

Bolt Hole Nominal Diameter

2.500 inches 2nd end

Center To Center Nominal Distance Between Bolt Holes Along Length

1.656 inches 2nd end

Center To Center Nominal Distance Between Bolt Holes Along Width

1.656 inches 1st end

Flange Face Design

plain 2nd end

Nominal Outside Diameter Tube Accommodated

1.520 inches 1st end

Material

aluminum alloy 2024 flow control device

Material

aluminum alloy 6061 body

Material

rubber seat

Material Document And Classification

mil-r-25897, type 1, class 1 mil spec single material response seat

Material Document And Classification

qq-a-200/3, alloy 2024, t4 fed spec single material response flow control device

Material Document And Classification

qq-a-225/8, alloy 6061, t651 fed spec single material response body

Media For Which Designed

air 1st response

Media For Which Designed

fuel/oil, hydrocarbon 2nd response

Surface Treatment

anodize

Surface Treatment Document And Classification

mil-a-8625 mil spec single treatment response

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
GV500TC20FMK Check Valve
L81400-20FMK Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-059-1173?
The FSCG of the NSN 4820-01-059-1173 is 4820
Does the NSN 4820-01-059-1173 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-01-059-1173 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 4820-01-059-1173 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-059-1173 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 4820-01-059-1173 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Thu, Apr 6, 1978