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Stop-check Valve

NSN: 4820-01-535-4071 | Model: 803-1385541-033AF

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second 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. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

NSN Properties and Flags
NATO Stock Number
4820-01-535-4071
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
8 all ends
End Application
Lhd8
Valve Operation Method
Manual or automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Valve Size
3.000 inches
Maximum Operating Pressure
100.0 pounds per square inch single response
Outside Diameter
6.625 inches all ends
Face To Face Distance
10.000 inches
Thickness
0.500 inches all ends
Bolt Hole Diameter
0.562 inches all ends
Bolt Circle Diameter
5.500 inches all ends
Flange Face Design
Plain all ends
Raised Face Diameter
3.000 inches all ends
Outside Diameter Tube Accommodated
3.000 inches all ends
Special Features
Suitable for salt water service; tech manual 0948-lp-012-5000
Material
Nickel alloy flow control device
Material Specification
Mil-24503 ty ii cl 2 gr n military specification 1st material response packing and mil-p-24583 cl 2 gr n federal specification 2nd material response packing
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight through flanged ends
Test Data Document
81349-mil-s-901d interim change i for lightweight equi+0.81349-mil-s-901d interim change i for lightweight equi+0gr a cl i ty a specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.). And mil-std-167 ty i standard (includes industry or association standards, individual manufactureer standards, etc.).
Furnished Items And Quantity
1 handwheel

Pricing and Availability

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NSN 4820-01-535-4071 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 803-1385541-033AF
Cage Codes:
  • Naval Ship Systems Command (CAGE 80064)
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

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

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:

    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:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • 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
    3b-----
  • Repariability
    When repair is beyond lower level maintenance capability, evacuate the item to depot. disposal is not authorized below wholesale level.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $2,005.32 to $3,342.20..
Does NSN 4820-01-535-4071 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 Navy
What is the NIIN of NSN 4820-01-535-4071?
015354071 or 01-535-4071
Does NSN 4820-01-535-4071 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-535-4071?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Nov 29, 2005