NSN 2810-00-294-3056

Engine Poppet Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
--
NIIN:
002943056

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Inventory

 

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

  • AR: 15
  • NS: 5
  • OH: 1
  • NE: 3

Please note that inventory for this NSN was updated 08/03/2025 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.

2810-00-294-3056 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AASK
Head Style
Mushroom
MRC:
AASU
Head Height
Between 0.4860 inches and 0.5160 inches
MRC:
AAVZ
Groove Diameter
0.5660 mils and 0.5700 centimeters
MRC:
ABGF
Groove Width
0.1865 mils and 0.1885 centimeters
MRC:
ABKV
Outside Diameter
Between 2.5680 inches and 2.5980 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
0.8750 inches
MRC:
ALZD
Stem Length
5.6070 mils and 5.6370 centimeters
MRC:
ALZE
Stem Diameter
0.6815 mils and 0.6825 centimeters
MRC:
ALZG
Distance From Groove To Stem End
0.2230 mils and 0.2330 centimeters
MRC:
ANNQ
Material And Location
Steel
MRC:
ZZZV
Fsc Application Data
Aircraft eng r2800

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:
221002
Cage Code:
00198
RNCC:
3
RNVC:
2
DAC:
2
RNAAC:
MB
Status:
A
MSDS:
SADC:
Part Number:
190158
Cage Code:
00198
RNCC:
5
RNVC:
2
DAC:
2
RNAAC:
MB
Status:
A
MSDS:
SADC:
Part Number:
168735
Cage Code:
00198
RNCC:
5
RNVC:
2
DAC:
2
RNAAC:
MB
Status:
A
MSDS:
SADC:
Part Number:
190158
Cage Code:
77445
RNCC:
5
RNVC:
9
DAC:
2
RNAAC:
MB
Status:
A
MSDS:
SADC:
Part Number:
221002
Cage Code:
77445
RNCC:
5
RNVC:
9
DAC:
2
RNAAC:
MB
Status:
A
MSDS:
SADC:
Part Number:
168735
Cage Code:
77445
RNCC:
5
RNVC:
9
DAC:
2
RNAAC:
MB
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Inidicates part number has been superseded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:
0
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

ADPE 0

Represents items with no adp components

Criticality X

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