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Wearing Ring

NSN: 4320-00-081-8160 | Model: CS4320-0290

A cylindrical item with or without flang (s) , designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

NSN Properties and Flags
NATO Stock Number
4320-00-081-8160
DEMIL
NO
Body Style
Plain
Overall Length
0.812 inches
Body Outside Diameter
Between 4.114 inches and 4.115 inches
Body Inside Diameter
Between 3.750 inches and 3.751 inches
Corner Shape
Square all corners
Surface Finish
20.0 microinches outside
Material
Stainless steel

Pricing and Availability

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NSN 4320-00-081-8160 Datasheet

Supply Class (FSC):
Power And Hand Pumps
Cross Reference:
  • CS4320-0290
  • 121278
  • 3T26763
  • CS4320-0290
  • 3T26763
  • 121278
  • CS4320-0290
  • 3T26763
  • 121278
  • CS4320-0290
  • 3T26763
  • 121278
  • CS4320-0290
  • 3T26763
  • 121278
  • 121278
  • 3T26763
Cage Codes:
  • Dla Land and Maritime (CAGE 16236)
  • Mechanical Wright Electro Curtiss (CAGE 10171)
  • Mechanical Wright Electro Curtiss (CAGE 0UBG9)
Schedule B & Trade:
  • Schedule B: 8413919520 (NAICS 333911)

    Parts, nesoi, of pumps for liquids

  • SITC: 74291

    Parts of pumps for liquids

  • End Use: 21100

    Industrial engines

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:

    128000 - Pumps pwr noi/working heads/parts

  • 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.

  • LTL:

    M - 85.0

  • ACC:

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

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $190.19 to $316.98..
Does NSN 4320-00-081-8160 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, and Greece
What is the NIIN of NSN 4320-00-081-8160?
000818160 or 00-081-8160
Does NSN 4320-00-081-8160 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4320-00-081-8160?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961