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Valve Seat

NSN: 4820-00-035-9931 | Model: C4295G

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
4820-00-035-9931
DEMIL
NO
Thread Class
2a single threaded portion
Thread Length
0.347 inches second threaded portion
Flange Diameter
2.625 inches
Body Inside Diameter
Between 2.000 inches and 2.003 inches
Flange Seat To Disk End Height
0.219 mils and 0.229 centimeters
Under Flange Height
Between 1.115 inches and 1.125 inches
Thready Qty Per Inch (tpi)
16 single threaded portion
Thread Size
2.375 inches single threaded portion
Seating Surface Shape
Flat
Special Features
Two lugs equally spaced on perimeter of flange, 0.188 in.H, 0.500 in.W
Material
Copper
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion

Pricing and Availability

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NSN 4820-00-035-9931 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • C4295G
  • C4295
Cage Codes:
  • Griswold Industries, Co. (CAGE 86184)
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

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:

    050855 - Cocks r valves etc bbc

  • 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
    Z
  • 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 $1,264.53 to $2,107.55..
Does NSN 4820-00-035-9931 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, Spain, Italy, and Turkey
What is the NIIN of NSN 4820-00-035-9931?
000359931 or 00-035-9931
Does NSN 4820-00-035-9931 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-035-9931?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963