NSN 2810-00-037-3498

Engine Poppet Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
--
NIIN:
000373498

Pricing & Availability Check

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Inventory

 

This product may be available in the following quantities and conditions.

  • AR: 6
  • NE: 7
  • SV: 1
  • OH: 1
  • NS: 1

Please note that inventory for this NSN was updated 07/07/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "VALVE,POPPET,ENGINE"

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.

2810-00-037-3498 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AASK
Head Style
Flat
MRC:
AASU
Head Height
Between 0.1820 inches and 0.1920 inches
MRC:
AATE
Chamfer Angle In Deg
45.0
MRC:
AAVZ
Groove Diameter
Between 0.3590 inches and 0.3650 inches
MRC:
AAZP
Chamfer Length
0.0312 inches
MRC:
ABGF
Groove Width
Between 0.1560 inches and 0.1660 inches
MRC:
ABKV
Outside Diameter
Between 1.8390 inches and 1.8490 inches
MRC:
AJFY
Seat Angle In Deg
45.0
MRC:
ALYX
Stem Style
Grooved
MRC:
ALYZ
Carbon Relief Groove
Not included
MRC:
ALZB
Neck Radius
0.3800 inches
MRC:
ALZD
Stem Length
Between 4.6140 inches and 4.6440 inches
MRC:
ALZE
Stem Diameter
Between 0.4330 inches and 0.4340 inches
MRC:
ALZG
Distance From Groove To Stem End
0.3200 inches
MRC:
ANNQ
Material And Location
Steel stem
MRC:
ASXJ
Metallic Hardness Rating And Location
50.0 rockwell c tip
MRC:
ZZZV
Fsc Application Data
Gasoline engine aircraft

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
40651
Cage Code:
28839
RNCC:
3
RNVC:
9
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15884
FIIG:
A11200
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B
NAIC
End Use
SITC
USDA
HITECH
Schedule B:
8409100080
NAICS:
336412
End Use Class:
50020
SITC:
71319
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8409100080

Ignition Internal Combustion Piston Engines For Use In Aircraft Except Civil Ignition Or Compression Parts For Spark

End Use Code 50020

Engines and Turbines For Military Aircraft

Standard Intl. Trade Class (SITC) 71319

Ignition Reciprocating Or Rotary Combustion Piston Engines For Aircraft Parts, N.e.s., Of Spark

National motor freight and handling

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
133300
NMF Description:
Machinery/machines Noi
UFC:
63220
LTL:
Rating variable
LCL:
85.0
WCC:
593
TCC:
Z
SHC:
9
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 593

Motors and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

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

Air Dimensions (ADC) A

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

Air Special Handling (SHC) 9

Other or no special handling required (sh)