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Engine Poppet Valve

NSN: 2815-00-649-8439 | Model: 255010B

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
2815-00-649-8439
DEMIL
NO
Head Style
Flat
Head Height
Between 0.1970 inches and 0.2070 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.3290 inches and 0.3590 inches
Chamfer Length
0.0312 inches
Groove Width
Between 0.0950 inches and 0.1050 inches
Outside Diameter
Between 1.6825 inches and 1.6925 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.5625 inches
Stem Length
Between 5.1300 inches and 5.1610 inches
Stem Diameter
Between 0.3725 inches and 0.3735 inches
Distance From Groove To Stem End
Between 0.1750 inches and 0.2000 inches
Material And Location
Steel, no. 731, hercules engine div of hupp corporation stem
Metallic Hardness Rating And Location
60.0 shore scleroscope tip
Fsc Application Data
Diesel engine

Pricing and Availability

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NSN 2815-00-649-8439 Datasheet

Supply Class (FSC):
Diesel Engines And Components
Cross Reference:
  • 255010B
  • 255010B
Cage Codes:
  • Brinkley Technology Group, Llc (CAGE 1ML14)
  • Hercules Engine Co Inc (CAGE 28265)
Schedule B & Trade:
  • Schedule B: 8409998000 (NAICS 333618)

    Parts for compression-ignition internal combustion piston engines (diesel), nesoi

  • SITC: 71392

    Parts, n.E.S., suitable for use solely or principally with compression-ignition internal combustion piston engines

  • End Use: 21100

    Industrial engines

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.

  • 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

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    J2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $25.19 to $41.99..
Does NSN 2815-00-649-8439 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 Army, Department Of The Navy, Spain, Republic Of Korea, Italy, Denmark, Greece, and Turkey
What is the NIIN of NSN 2815-00-649-8439?
006498439 or 00-649-8439
Does NSN 2815-00-649-8439 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2815-00-649-8439?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961