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3072 Check Valve

4820-00-475-5846

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Official Item Classification

Name
Check Valve
Part Number
3072
(NSN) National Stock Number
4820-00-475-5846
(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
06/09/1974 (52 years ago)

3a 1st end thread class, right-hand 2nd end thread direction, 3a 2nd end thread class, right-hand 1st end thread direction, poppet flow control device

Specs & Compatibility

Thread Class

3a 1st end

Thread Class

3a 2nd end

Thread Direction

right-hand 1st end

Thread Direction

right-hand 2nd end

Flow Control Device

poppet

Disk Loading Method

spring

End Item Identification

s-3b viking aircraft

Connection Style

flareless 1st end

Connection Style

flareless 2nd end

Valve Operation Method

automatic

Connection Type

threaded external tube 2nd end

Connection Type

threaded external tube 1st end

Mounting Position

horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

0.437 inches 1st end

Nominal Thread Size

0.562 inches 2nd end

Seat Angle

24.0 degrees 1st end

Seat Angle

24.0 degrees 2nd end

Criticality Code Justification

feat

Special Features

weapon system essential

Material

steel corrosion resisting overall

Media For Which Designed

fuel/oil, hydrocarbon single response

Surface Treatment

passivate

Style Designator

straight thru

Thread Series Designator

unjf 2nd end

Thread Series Designator

unjf 1st end

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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
3072 Check Valve
S3072 Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-475-5846?
The FSCG of the NSN 4820-00-475-5846 is 4820
Does the NSN 4820-00-475-5846 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-475-5846 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 4820-00-475-5846 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-475-5846 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 4820-00-475-5846 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sun, Jun 9, 1974