PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1855Valve,poppet,engine

Eaton Corp Dba Eaton Aerospace Jackson · NSN 2805-00-217-3468 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-217-3468 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-217-3468. Primary manufacturer part number: S1855.
Features
  • Valve,poppet,engine — FSC 2805
  • Neck Radius: 0.3750 INCHES NOMINAL IN
  • Second Groove Diameter: 0.3035 INCHES NOMINAL IN
  • Outside Diameter: 1.4960 INCHES MINIMUM AND 1.5060 INCHES MAXIMUM IN
  • Distance From First Groove to Stem End: 0.2250 INCHES NOMINAL IN
  • Chamfer Length: 0.0315 INCHES NOMINAL IN
  • Carbon Relief Groove: INCLUDED
  • Stem Length: 4.6520 INCHES NOMINAL IN
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 2805-00-217-3468, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-217-3468
Primary Part NumberS1855
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusCANCELLED
Neck Radius0.3750 INCHES NOMINAL IN
Second Groove Diameter0.3035 INCHES NOMINAL IN
Outside Diameter1.4960 INCHES MINIMUM AND 1.5060 INCHES MAXIMUM IN
Distance From First Groove to Stem End0.2250 INCHES NOMINAL IN
Chamfer Length0.0315 INCHES NOMINAL IN
Carbon Relief GrooveINCLUDED
Stem Length4.6520 INCHES NOMINAL IN
Stem StyleDOUBLE GROOVED
Head StyleMUSHROOM
First Groove Diameter0.3035 INCHES NOMINAL IN
Seat Angle in Deg45.0
Head Height0.2500 INCHES NOMINAL IN
Stem Diameter0.3395 INCHES MINIMUM AND 0.3405 INCHES MAXIMUM IN
First Groove Width0.0625 INCHES NOMINAL IN
Distance From Second Groove to Stem End0.3750 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Chamfer Angle in Deg50.0
Second Groove Width0.0625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2805-00-517-9909 INTERCHANGEABLE
Valve,poppet,engine
5930-00-669-9977SMA169270 INTERCHANGEABLE
Switch,rotary
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1670-00-722-606110-995-18 INTERCHANGEABLE
Deployment Bag,parachute
The Boeing Company Div Defense
6515-01-104-9958 INTERCHANGEABLE
Intravenous Injection Set
5307-01-372-03161319089 INTERCHANGEABLE
Stud,plain
Lexmark International, Inc. Dba Lexmark
6105-01-524-2682E257 INTERCHANGEABLE
Motor,alternating Current
General Electric Co General Purpose Control Dept Mebane Opns
Cross-Reference Index
Part NumberManufacturer
S1855 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
1195 Allied Motor Parts Co (USA)
VE1004 Bosch Automotive Service Solutions Inc. (USA)
S1855 Toledo Pickling & Steel Sales (USA)
1319089 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
V1449 Mcquay-Norris Inc Oem Div an Skf Industries Co
D1303 Dana Corp Engine Products Div (USA)
VE1004 Spx Corp (USA)
E-257 Gould Inc Clevite Engine Parts Div (USA)
1319089 Atwood Fence Co Inc (USA)
Related Parts
2805-00-517-9909INTERCHANGEABLE
VALVE,POPPET,ENGINE
5930-00-669-9977INTERCHANGEABLE
SWITCH,ROTARY
SMA169270
1670-00-722-6061INTERCHANGEABLE
DEPLOYMENT BAG,PARACHUTE
10-995-18
6515-01-104-9958INTERCHANGEABLE
INTRAVENOUS INJECTION SET
5307-01-372-0316INTERCHANGEABLE
STUD,PLAIN
1319089
6105-01-524-2682INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E257

Frequently Asked Questions

What is NSN 2805-00-217-3468?

NSN 2805-00-217-3468 is a Valve,poppet,engine, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-217-3468?

NSN 2805-00-217-3468 has 10 cross-referenced part numbers: S1855 (Eaton Corp Dba Eaton Aerospace Jackson), 1195 (Allied Motor Parts Co), VE1004 (Bosch Automotive Service Solutions Inc.), S1855 (Toledo Pickling & Steel Sales), 1319089 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 5 more.

What NSN replaces 2805-00-217-3468?

There are 6 known substitutes for 2805-00-217-3468: 2805-00-517-9909, 5930-00-669-9977, 1670-00-722-6061 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1855?

Key specifications for S1855: Neck Radius: 0.3750 INCHES NOMINAL IN; Second Groove Diameter: 0.3035 INCHES NOMINAL IN; Outside Diameter: 1.4960 INCHES MINIMUM AND 1.5060 INCHES MAXIMUM IN; Distance From First Groove to Stem End: 0.2250 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-217-3468 still in active supply?

NSN 2805-00-217-3468 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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