PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2146Valve,poppet,engine

Echlin Inc · NSN 2805-00-008-4850 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-008-4850 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-008-4850. Primary manufacturer part number: 2146.
Features
  • Valve,poppet,engine — FSC 2805
  • First Groove Width: 0.0550 INCHES NOMINAL IN
  • Carbon Relief Groove: NOT INCLUDED
  • Distance From First Groove to Stem End: 0.3170 INCHES NOMINAL IN
  • Stem Style: DOUBLE GROOVED
  • Material: STEEL OVERALL
  • Chamfer Length: 0.0250 INCHES NOMINAL IN
  • Neck Radius: 0.2190 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 2805-00-008-4850, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Echlin Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-008-4850
Primary Part Number2146
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerEchlin Inc
StatusACTIVE
First Groove Width0.0550 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
Distance From First Groove to Stem End0.3170 INCHES NOMINAL IN
Stem StyleDOUBLE GROOVED
MaterialSTEEL OVERALL
Chamfer Length0.0250 INCHES NOMINAL IN
Neck Radius0.2190 INCHES NOMINAL IN
Distance From Second Groove to Stem End0.4770 INCHES NOMINAL IN
Chamfer Angle in Deg30.0
Head StyleCONCAVE
Second Groove Width0.0550 INCHES NOMINAL IN
Stem Diameter0.3720 INCHES NOMINAL IN
Stem Length4.8750 INCHES NOMINAL IN
Second Groove Diameter0.3080 INCHES NOMINAL IN
Head Height0.1450 INCHES NOMINAL IN
First Groove Diameter0.3080 INCHES NOMINAL IN
Seat Angle in Deg45.0
Outside Diameter1.8100 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-031-047501520 INTERCHANGEABLE
Coil,radio Frequency
Thales Components Corp Div Thales Components Corporation
4820-00-057-8797 INTERCHANGEABLE
Valve,flow Control
5905-00-113-7388443-1360-010 INTERCHANGEABLE
Resistor Network,fixed,film
The Boeing Company Div Legacy Boeing Hb1
5325-00-174-5317 INTERCHANGEABLE
Grommet,nonmetallic
5331-00-404-8231AS3582-146 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5995-00-467-3886CG1889BU4FT INTERCHANGEABLE
Cable Assembly,radio Frequency
Joint Electronics Type Designation System
5995-00-467-3887 INTERCHANGEABLE
Cable Assembly,radio Frequency
6145-00-548-2920 INTERCHANGEABLE
Braid,wire
5930-00-642-9658111-16-73 INTERCHANGEABLE
Switch,toggle
Carling Technologies, Inc Dba Carlingswitch
2920-00-714-21052-146 INTERCHANGEABLE
Spring
Precision Aerospace Corporation Dba Precision Engine Control
Cross-Reference Index
Part NumberManufacturer
2146 Echlin Inc (USA)
V2845X Trw Inc Trw Intl Trade Government Sales Dept (USA)
3577943 Chrysler Corp Service and Parts Opns (USA)
3577943 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5950-00-031-0475INTERCHANGEABLE
COIL,RADIO FREQUENCY
01520
4820-00-057-8797INTERCHANGEABLE
VALVE,FLOW CONTROL
5905-00-113-7388INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
443-1360-010
5325-00-174-5317INTERCHANGEABLE
GROMMET,NONMETALLIC
5331-00-404-8231INTERCHANGEABLE
O-RING
AS3582-146
5995-00-467-3886INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
CG1889BU4FT
5995-00-467-3887INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
6145-00-548-2920INTERCHANGEABLE
BRAID,WIRE
5930-00-642-9658INTERCHANGEABLE
SWITCH,TOGGLE
111-16-73
2920-00-714-2105INTERCHANGEABLE
SPRING
2-146
4720-00-771-9428INTERCHANGEABLE
HOSE,NONMETALLIC
5995-00-905-7179INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
CG1889BU1 3-8

Frequently Asked Questions

What is NSN 2805-00-008-4850?

NSN 2805-00-008-4850 is a Valve,poppet,engine, manufactured by Echlin Inc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-008-4850?

NSN 2805-00-008-4850 has 4 cross-referenced part numbers: 2146 (Echlin Inc), V2845X (Trw Inc Trw Intl Trade Government Sales Dept), 3577943 (Chrysler Corp Service and Parts Opns), 3577943 (Chrysler Realty Company Llc Dba Daimler Chrysler).

What NSN replaces 2805-00-008-4850?

There are 12 known substitutes for 2805-00-008-4850: 5950-00-031-0475, 4820-00-057-8797, 5905-00-113-7388 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2146?

Key specifications for 2146: First Groove Width: 0.0550 INCHES NOMINAL IN; Carbon Relief Groove: NOT INCLUDED; Distance From First Groove to Stem End: 0.3170 INCHES NOMINAL IN; Stem Style: DOUBLE GROOVED. 18 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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