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Check Valve

NSN: 4820-00-348-8281 | Model: 4C2660-3

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

NSN Properties and Flags
NATO Stock Number
4820-00-348-8281
DEMIL
NO
Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
450.0 degrees fahrenheit 2nd response
Connection Style
External seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
20 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.719 inches 1st end
Special Features
The end connection identified above as the second end is the valve inlet
Material
Steel comp 630 body
Material Specification
Ams 5643 assn standard single material response body
Media For Which Designed
Hydraulic fluid, petroleum base single response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Unjs all ends

Pricing and Availability

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NSN 4820-00-348-8281 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 4C2660-3
  • ST7M262-6
  • 10109254
Cage Codes:
  • Crissair, Inc. (CAGE 99240)
  • Boeing Company, The (CAGE 76301)
  • Nimikkeistokeskus Ncb Finland (CAGE A486G)
Schedule B & Trade:
  • Schedule B: 8481302090 (NAICS 332911)

    Check valves of 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.

Freight Information:
  • NMFC:

    051080 - Faucets, bibcocks, gates valves

  • WCC:

    576 - Metal and metal products, nos, (less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    D
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9sx-n
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $489.08 to $815.13..
Does NSN 4820-00-348-8281 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, Finland, Spain, Israel, Singapore, Australia, Canada, and Republic Of Korea
What is the NIIN of NSN 4820-00-348-8281?
003488281 or 00-348-8281
Does NSN 4820-00-348-8281 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-348-8281?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 30, 1974