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SS845-1889587ASSYE3-4INL1 Stop-Check Valve

4820-00-922-8424

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Official Item Classification

Name
Stop-Check Valve
Part Number
SS845-1889587ASSYE3-4INL1
(NSN) National Stock Number
4820-00-922-8424
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05486
(FIIG) Federal Item Identification Guide
A530B0
Date
02/09/1966 (60 years ago)

union bonnet attachment method, threaded renewable seat ring type, inside screw bonnet type, disk flow control device, 0.750 inches 1st end nominal pipe size accommodated

Specs & Compatibility

Nominal Pipe Size Accommodated

0.750 inches 1st end

Flow Control Device

disk

Bonnet Type

inside screw

Bonnet Attachment Method

union

Renewable Seat Ring Type

threaded

Maximum Operating Temp

150.0 fahrenheit single response

Connection Style

socket with brazing ring (pipe) 1st end

Valve Operation Method

manual

Connection Type

unthreaded internal pipe 1st end

Mounting Position

horizontal

Features Provided

bonnet packing

Maximum Operating Pressure

700.0 pounds per square inch single response

Criticality Code Justification

zzzy

Material

copper alloy 922 body

Material

nickel alloy 400 or nickel alloy r-405 stem

Media For Which Designed

water-oil-gas single response

Style Designator

straight thru

Reference Number Differentiating Characteristics

quality assurance testing in accordance with navy level 1 assurance guide

Replacement For

Part Number Description
4820-00-924-0545 No Name Available 10/24/1971

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

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

0005486

Related Hardware Products

Part Number Description
2620-902ASSYE3-4INL1 Stop-Check Valve
524-1 3-4INL1 Stop-Check Valve
SS845-1889587ASSYE3-4IN Stop-Check Valve
SS845-1889587ASSYE3-4INL1 Stop-Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-922-8424?
The FSCG of the NSN 4820-00-922-8424 is 4820
Does the NSN 4820-00-922-8424 have a Schedule B code assigned?
Yes, the Schedule B code is 8481301090
Does NSN 4820-00-922-8424 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 4820-00-922-8424 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-922-8424 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 4820-00-922-8424 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Feb 9, 1966