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NationalStockNumber.INFO

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Valve Seat

NSN: 4820-00-008-7992 | Model: 113651P20

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
4820-00-008-7992
DEMIL
NO
Overall Height
Between 0.462 inches and 0.464 inches
Taper Length
Between 0.368 inches and 0.396 inches
Taper Minor Diameter
Between 2.703 inches and 2.713 inches
Taper Major Diameter
Between 2.973 inches and 2.983 inches
Body Outside Diameter
Between 3.089 inches and 3.090 inches
Body Inside Diameter
Between 2.490 inches and 2.510 inches
Seat Angle In Deg
45.000
Seal Accommodation Type
Grooved
Hardness Rating
90.0 rockwell b body and 105.0 rockwell b body
Seating Surface Shape
Angular
Criticality Code Justification
Adar
Material
Steel body
Material Specification
Ams 5700 assn standard single material response body
Style Designator
Plain
Fsc Application Data
Aircraft eng r2000

Pricing and Availability

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NSN 4820-00-008-7992 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 113651P20
Cage Codes:
  • Pratt & Whitney Canada Cie Divpratt (CAGE 00198)
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 but does have other critical featur (s) such as tolerance, fit restrictions or application.

Freight Information:
  • NMFC:

    133300 - Machinery/machines noi

  • WCC:

    594 - Pumps and parts, (machinery and parts),(less than 35 feet)

  • ACC:

    A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    W - Rating variable

  • SHC:

    Z - Other or no special handling required (sh)

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4820-00-008-7992 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea
What is the NIIN of NSN 4820-00-008-7992?
000087992 or 00-008-7992
Does NSN 4820-00-008-7992 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-008-7992?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jul 23, 1972