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912-1IN Check Valve

4820-01-159-3271

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Metal Seal Ring
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Valve Disk
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Valve Disk
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O-Ring
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Fluid Valve Stem

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Official Item Classification

Name
Check Valve
Part Number
912-1IN
(NSN) National Stock Number
4820-01-159-3271
(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
08/06/1983 (43 years ago)

plain (tube) all ends connection style, 353.0 fahrenheit 1st response maximum operating temp, automatic valve operation method, 150.0 fahrenheit 2nd response maximum operating temp, disk flow control device

Specs & Compatibility

Flow Control Device

disk

Maximum Operating Temp

150.0 fahrenheit 2nd response

Maximum Operating Temp

353.0 fahrenheit 1st response

Connection Style

plain (tube) all ends

Valve Operation Method

automatic

Connection Type

unthreaded external tube all ends

Mounting Position

horizontal

Maximum Operating Pressure

125.0 pounds per square inch 1st response

Maximum Operating Pressure

200.0 pounds per square inch 2nd response

Nominal Outside Diameter Tube Accommodated

1.000 inches 1st end

Material

copper alloy body lining

Material

copper alloy flow control device

Media For Which Designed

steam 1st response

Media For Which Designed

water-oil-gas 2nd response

Style Designator

straight thru

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
912-1IN Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-159-3271?
The FSCG of the NSN 4820-01-159-3271 is 4820
Does NSN 4820-01-159-3271 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 4820-01-159-3271 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-159-3271 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 4820-01-159-3271 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Sat, Aug 6, 1983