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NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Valve Seat

NSN: 4810-00-044-2763 | Model: 538244

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
4810-00-044-2763
DEMIL
NO
Overall Height
Between 0.495 inches and 0.500 inches
Body Outside Diameter
Between 0.684 inches and 0.686 inches
Body Inside Diameter
Between 0.627 inches and 0.630 inches
Hardness Rating
70.0 rockwell b and 100.0 rockwell b
Seating Surface Shape
Flat
Special Features
Two holes equally spaced 0.188 in. Dia, 0.040 in. Deep, body groove on unseated end, 0.089 in. Min, 0.099 in. Max w, 0.055 in. Min, 0.057 in. Max deep
Material
Steel comp 303s or steel comp 303se
Material Specification
Mil-s-7720 military specification single material response

Pricing and Availability

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NSN 4810-00-044-2763 Datasheet

Supply Class (FSC):
Powered Valves
Cross Reference:
  • 538244
Cage Codes:
  • Hamilton Sundstrand Corporation (CAGE 73030)
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:

    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)

  • 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.

  • LCL:

    S - 60.0

  • LTL:

    W - Rating variable

  • 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 4810-00-044-2763 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Brazil, and Italy
What is the NIIN of NSN 4810-00-044-2763?
000442763 or 00-044-2763
Does NSN 4810-00-044-2763 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4810-00-044-2763?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 24, 1968