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Engine Poppet Valve

NSN: 2810-00-306-5846 | Model: 128895

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
2810-00-306-5846
DEMIL
NO
Head Style
Mushroom
Head Height
0.4750 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.6340 inches and 0.6360 inches
Chamfer Length
0.0200 inches
Groove Width
0.2670 inches
Outside Diameter
Between 3.2950 inches and 3.3050 inches
Seat Angle In Deg
37.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
1.4400 inches
Stem Length
Between 5.4260 inches and 5.4360 inches
Stem Diameter
Between 0.6835 inches and 0.6840 inches
Distance From Groove To Stem End
Between 0.2230 inches and 0.2430 inches
Material And Location
Steel stem
Metallic Hardness Rating And Location
54.0 rockwell c tip
Fsc Application Data
Aircraft eng r1300

Pricing and Availability

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NSN 2810-00-306-5846 Datasheet

Supply Class (FSC):
Aircraft Prime Mover; And Components Gasoline Reciprocating Engines
Cross Reference:
  • 128895
  • 138874
Cage Codes:
  • Wright Controls, Inc Curtiss (CAGE 0AHP5)
Replacements:
  • 2810-00-306-5846 replaces 2810-00-294-3051
  • 2810-00-306-5846 replaces 2810-00-440-3459
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

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.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 2810-00-306-5846 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Germany, Republic Of Korea, and Greece
What is the NIIN of NSN 2810-00-306-5846?
003065846 or 00-306-5846
Does NSN 2810-00-306-5846 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2810-00-306-5846?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963