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4820-01-261-6809

Tee Valve

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Official Item Classification

Name
Tee Valve
(NSN) National Stock Number
4820-01-261-6809
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
31988
(FIIG) Federal Item Identification Guide
A046B0
Date
08/17/1987 (39 years ago)

3a 2nd end thread class, inside screw bonnet type, disk flow control device, 3a 1st end thread class, 3b 3rd end thread class

Specs & Compatibility

Thread Class

3a 1st end

Thread Class

3a 2nd end

Thread Class

3b 3rd end

Flow Control Device

disk

Bonnet Type

inside screw

Bonnet Attachment Method

threaded

Maximum Operating Temp

250.0 fahrenheit single response

Connection Style

external seat for gasket seal (boss) 2nd end

Connection Style

external seat for gasket seal (boss) 1st end

Connection Style

gasket seal(boss) 3rd end

Valve Operation Method

manual

Connection Type

threaded external boss 1st end

Connection Type

threaded external boss 2nd end

Connection Type

threaded internal boss 3rd end

Thread Quantity Per Inch

20 2nd end

Thread Quantity Per Inch

20 1st end

Maximum Operating Pressure

6000.0 pounds per square inch single response

Nominal Thread Size

0.438 inches 1st end

Nominal Thread Size

0.438 inches 2nd end

Nominal Thread Size

0.562 inches 3rd end

Seat Angle

37.0 degrees 1st end

Seat Angle

37.0 degrees 2nd end

Material

steel corrosion resisting body

Material

steel corrosion resisting stem

Media For Which Designed

air single response

Style Designator

cross

Thread Series Designator

unj 1st end

Thread Series Designator

unj 2nd end

Thread Series Designator

unjf 3rd end

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

0031988

Related Hardware Products

Part Number Description
7M655 Tee Valve
7M655-1 Tee Valve
HV09-2 Tee Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-261-6809?
The FSCG of the NSN 4820-01-261-6809 is 4820
Does the NSN 4820-01-261-6809 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-01-261-6809 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 4820-01-261-6809 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-261-6809 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 4820-01-261-6809 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Mon, Aug 17, 1987