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4820-01-221-8848

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-221-8848
(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
12/05/1985 (40 years ago)

3a 1st end thread class, plain, optional end (pipe) 2nd end connection style, ball flow control device, plain (tube) 1st end connection style, right-hand all ends thread direction

Specs & Compatibility

Thread Class

3a 1st end

Thread Direction

right-hand all ends

Flow Control Device

ball

Connection Style

plain (tube) 1st end

Connection Style

plain, optional end (pipe) 2nd end

Valve Operation Method

automatic

Connection Type

threaded external tube 1st end

Connection Type

threaded internal pipe 2nd end

Mounting Position

vertical

Nominal Thread Size

0.250 inches 2nd end

Nominal Thread Size

0.625 inches 1st end

Special Features

for discharge check valve operation

Material

steel corrosion resisting overall

Media For Which Designed

liquid single response

Style Designator

straight thru

Thread Series Designator

npt 2nd end

Thread Series Designator

unf 1st end

Furnished Items And Quantity

2 washer

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
002-D Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-221-8848?
The FSCG of the NSN 4820-01-221-8848 is 4820
Does the NSN 4820-01-221-8848 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-221-8848 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 4820-01-221-8848 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-221-8848 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 4820-01-221-8848 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Thu, Dec 5, 1985