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Check Valve

NSN: 4820-00-348-8284 | Model: 4C2680-3
ITAR Registered seal

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
4820-00-348-8284
DEMIL
Yes - ITAR Controlled (Code B)
Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
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 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.844 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

Parts List for Check Valve  

Other components in the assembly of NSN 4820-00-348-8284
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7MC19T5148 2019-02-11 PMCMU 24 EA
SPE7MC18T230B 2018-10-01 PMCMU 24 EA
SPE7MC18T197J 2018-09-10 PMCMU 24 EA
SPE7MC18T175K 2018-09-04 PMCMU 11 EA

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 4820-00-348-8284 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 4C2680-3
  • ST7M262-8
Cage Codes:
  • Crissair, Inc. (CAGE 99240)
  • Boeing Company, The (CAGE 76301)
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:

    127220 - Pressure reg/red/relief valves noi

  • WCC:

    594 - Pumps and parts, (machinery and parts),(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:

    P - 77.5

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • 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 $1,072.20 to $1,787.00..
Does NSN 4820-00-348-8284 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, Spain, Israel, Singapore, Republic Of Korea, and Italy
What is the NIIN of NSN 4820-00-348-8284?
003488284 or 00-348-8284
Does NSN 4820-00-348-8284 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-348-8284?
Solicitation SPE7MC19T5148 for qty 24 on 02/01/2019
When was this national stock number assigned to the federal catalog?
Jan 30, 1974