PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V-2556XValve,poppet,engine

Eaton Corp Dba Eaton Aerospace Jackson · NSN 2805-00-012-2600 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-012-2600 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-012-2600. Primary manufacturer part number: V-2556X.
Features
  • Valve,poppet,engine — FSC 2805
  • Distance From Second Groove to Stem End: 0.4850 INCHES NOMINAL IN
  • First Groove Width: 0.1250 INCHES NOMINAL IN
  • Head Height: 0.1650 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Distance From First Groove to Stem End: 0.2400 INCHES NOMINAL IN
  • Stem Diameter: 0.3726 INCHES NOMINAL IN
  • Seat Angle in Deg: 30.0
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Valve,poppet,engine, cataloged under National Stock Number 2805-00-012-2600, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-012-2600
Primary Part NumberV-2556X
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusACTIVE
Distance From Second Groove to Stem End0.4850 INCHES NOMINAL IN
First Groove Width0.1250 INCHES NOMINAL IN
Head Height0.1650 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Distance From First Groove to Stem End0.2400 INCHES NOMINAL IN
Stem Diameter0.3726 INCHES NOMINAL IN
Seat Angle in Deg30.0
First Groove Diameter0.3035 INCHES NOMINAL IN
Minor Outside Diameter0.3400 INCHES NOMINAL IN
Stem Length5.7600 INCHES NOMINAL IN
Second Groove Width0.1250 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
Second Groove Diameter0.3035 INCHES NOMINAL IN
Stem StyleDOUBLE GROOVED
Neck Radius0.3750 INCHES NOMINAL IN
Head StyleFLAT
Chamfer Length0.0156 INCHES NOMINAL IN
Chamfer Angle in Deg45.0
Minor Diameter Length1.0000 INCHES NOMINAL IN
Outside Diameter2.2656 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2805-00-352-3083B281 INTERCHANGEABLE
Valve,poppet,engine
Agco Corp Parts Opn
Cross-Reference Index
Part NumberManufacturer
V-2036 Dana Corp Engine Products Div (USA)
2036 Echlin Inc (USA)
V2192NSTD Mcquay-Norris Inc Oem Div an Skf Industries Co
2476368 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
2476368 General Motors Llc Dba General Motors Llc (USA)
V-2556X PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
2476368 General Motors Corp (USA)
Related Parts
2805-00-352-3083INTERCHANGEABLE
VALVE,POPPET,ENGINE
B281

Frequently Asked Questions

What is NSN 2805-00-012-2600?

NSN 2805-00-012-2600 is a Valve,poppet,engine, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-012-2600?

NSN 2805-00-012-2600 has 7 cross-referenced part numbers: V-2036 (Dana Corp Engine Products Div), 2036 (Echlin Inc), V2192NSTD (Mcquay-Norris Inc Oem Div an Skf Industries Co), 2476368 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 2476368 (General Motors Llc Dba General Motors Llc) and 2 more.

What NSN replaces 2805-00-012-2600?

There is 1 known substitute for 2805-00-012-2600: 2805-00-352-3083. Verify interchangeability with system specifications before substitution.

What are the specifications of V-2556X?

Key specifications for V-2556X: Distance From Second Groove to Stem End: 0.4850 INCHES NOMINAL IN; First Groove Width: 0.1250 INCHES NOMINAL IN; Head Height: 0.1650 INCHES NOMINAL IN; Material: STEEL OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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