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Valve Seat

NSN: 4820-01-257-3709 | Model: 4-3109

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

NSN Properties and Flags
NATO Stock Number
4820-01-257-3709
DEMIL
NO
End Application
4540-01-201-8267 incinerator

Pricing and Availability

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NSN 4820-01-257-3709 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 4-3109
  • 4-3109
Cage Codes:
  • Tuthill Corporation (CAGE 14579)
  • Golar Metal Inc (CAGE 62633)
Schedule B & Trade:
  • Schedule B: 8481909090 (NAICS 332911)

    Parts of taps, cocks, valves and similar appliances, nesoi

  • SITC: 74790

    Parts for taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, etc.

  • 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

A - Item does not contain precious metal.

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
    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 $387.63 to $646.04..
Does NSN 4820-01-257-3709 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 4820-01-257-3709?
012573709 or 01-257-3709
Does NSN 4820-01-257-3709 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-257-3709?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 17, 1987