Lift-check Valve

NSN: 4820-00-332-8260 | Model: 52-33-2

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

NSN Properties and Flags

NATO Stock Number

4820-00-332-8260

DEMIL

Yes - ITAR Controlled (Code B)

Thread Class

3b 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

160.0 degrees fahrenheit single response

Connection Style

Gasket seal (boss) 1st end

Connection Type

Threaded internal tube 1st end

Mounting Facility

Threaded fastener

Mounting Position

Horizontal

Thready Qty Per Inch (tpi)

18 1st end

Maximum Operating Pressure

1500.0 pounds per square inch single response

Thread Size

0.562 inches 1st end

Seat Angle

45.0 degrees 1st end

Outside Diameter Tube Accommodated

0.375 inches 1st end

Special Features

0.250 in. Stroke for reverse flow right hand body

Material

Steel seat

Media For Which Designed

Hydraulic fluid, phosphate-ester base single response

Surface Treatment

Anodize

Style Designator

Angle

Supplementary Features

Optional flow control device: stem

Thread Series Designator

Unf 1st end

Pricing and Availability

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NSN 4820-00-332-8260 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

52-33-2

Cage Codes:

Arkwin Industries, Inc. (CAGE 98391)

Schedule B & Trade:

Schedule B: 8481309000 (NAICS 332911)

Check valves of materials other than copper, iron or steel
SITC: 74730

Check valves
End Use: 21180

Industrial machines, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4820-00-332-8260 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Greece
What is the NIIN of NSN 4820-00-332-8260?
003328260 or 00-332-8260
Does NSN 4820-00-332-8260 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-332-8260?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963