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Engine Poppet Valve

NSN: 2810-00-037-3498 | Model: 40651

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

NSN Properties and Flags
NATO Stock Number
2810-00-037-3498
DEMIL
NO
Head Style
Flat
Head Height
Between 0.1820 inches and 0.1920 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.3590 inches and 0.3650 inches
Chamfer Length
0.0312 inches
Groove Width
Between 0.1560 inches and 0.1660 inches
Outside Diameter
Between 1.8390 inches and 1.8490 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.3800 inches
Stem Length
Between 4.6140 inches and 4.6440 inches
Stem Diameter
Between 0.4330 inches and 0.4340 inches
Distance From Groove To Stem End
0.3200 inches
Material And Location
Steel stem
Metallic Hardness Rating And Location
50.0 rockwell c tip
Fsc Application Data
Gasoline engine aircraft

Pricing and Availability

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NSN 2810-00-037-3498 Datasheet

Supply Class (FSC):
Aircraft Prime Mover; And Components Gasoline Reciprocating Engines
Cross Reference:
  • 40651
Cage Codes:
  • Teledyne Industries Inc (CAGE 28839)
Replacements:
  • 2810-00-037-3498 replaces 2810-00-478-8676
Schedule B & Trade:
  • Schedule B: 8409100080 (NAICS 336412)

    Parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil

  • SITC: 71319

    Parts, n.E.S., of spark-ignition reciprocating or rotary combustion piston engines for aircraft

  • End Use: 50020

    Engines and turbines for military aircraft

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:

    133300 - Machinery/machines noi

  • WCC:

    593 - Motors 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.

  • LCL:

    M - 85.0

  • ACC:

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

  • 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 2810-00-037-3498 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Spain
What is the NIIN of NSN 2810-00-037-3498?
000373498 or 00-037-3498
Does NSN 2810-00-037-3498 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2810-00-037-3498?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963