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SW4835Y1-1-4IN Check Valve

4820-00-138-1915

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Official Item Classification

Name
Check Valve
Part Number
SW4835Y1-1-4IN
(NSN) National Stock Number
4820-00-138-1915
(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
08/09/1971 (55 years ago)

socket (pipe) all ends connection style, 1.250 inches all ends nominal pipe size accommodated, 1000.0 fahrenheit 1st response maximum operating temp, disk flow control device, 100.0 fahrenheit 2nd response maximum operating temp

Specs & Compatibility

Nominal Pipe Size Accommodated

1.250 inches all ends

Flow Control Device

disk

Maximum Operating Temp

100.0 fahrenheit 2nd response

Maximum Operating Temp

1000.0 fahrenheit 1st response

Connection Style

socket (pipe) all ends

Valve Operation Method

automatic

Connection Type

unthreaded internal pipe all ends

Mounting Position

horizontal

Maximum Operating Pressure

2000.0 pounds per square inch 2nd response

Maximum Operating Pressure

235.0 pounds per square inch 1st response

Special Features

chrome trim; conventional port

Material

steel body

Material

steel flow control device

Material

steel seat

Material Document And Classification

astm a105 assn std single material response body

Media For Which Designed

steam single response

Media For Which Designed

water-oil-gas 2nd 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
SW4835-1-1/4 Check Valve
SW4835Y1-1-4IN Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-138-1915?
The FSCG of the NSN 4820-00-138-1915 is 4820
Does the NSN 4820-00-138-1915 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-138-1915 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 4820-00-138-1915 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-138-1915 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 4820-00-138-1915 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, Aug 9, 1971