PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15-346Valve,poppet,engine

Dresser Industries Inc Waukesha Engine Div · NSN 2805-00-423-0345 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-423-0345 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-423-0345. Primary manufacturer part number: 15-346.
Features
  • Valve,poppet,engine — FSC 2805
  • Distance From Groove to Stem End: 0.3281 INCHES NOMINAL IN
  • Groove Diameter: 0.3010 INCHES NOMINAL IN
  • Head Style: FLAT
  • Stem Length: 4.9687 INCHES NOMINAL IN
  • Groove Width: 0.1000 INCHES NOMINAL IN
  • Metallic Hardness Rating and Location: 45.0 ROCKWELL C MINIMUM TIP
  • Head Height: 0.1875 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 2805-00-423-0345, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser Industries Inc Waukesha Engine Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-423-0345
Primary Part Number15-346
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerDresser Industries Inc Waukesha Engine Div
StatusACTIVE
Distance From Groove to Stem End0.3281 INCHES NOMINAL IN
Groove Diameter0.3010 INCHES NOMINAL IN
Head StyleFLAT
Stem Length4.9687 INCHES NOMINAL IN
Groove Width0.1000 INCHES NOMINAL IN
Metallic Hardness Rating and Location45.0 ROCKWELL C MINIMUM TIP
Head Height0.1875 INCHES NOMINAL IN
Outside Diameter1.2810 INCHES NOMINAL IN
Carbon Relief GrooveINCLUDED
Neck Radius0.3125 INCHES NOMINAL IN
Stem Diameter0.3420 INCHES NOMINAL IN
Seat Angle in Deg45.0
Stem StyleGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5136-00-203-6212 INTERCHANGEABLE
Tap,thread Cutting
3120-01-417-817815346 INTERCHANGEABLE
Bushing,sleeve
Chrysler Realty Company Llc Dba Daimler Chrysler
5950-01-560-3037 INTERCHANGEABLE
Transformer,current
Cross-Reference Index
Part NumberManufacturer
15-346 Dresser, Llc (USA)
I-760 Gould Inc Industrial Marketing Div (USA)
15-346 PRIMARY Dresser Industries Inc Waukesha Engine Div (USA)
Related Parts
5136-00-203-6212INTERCHANGEABLE
TAP,THREAD CUTTING
3120-01-417-8178INTERCHANGEABLE
BUSHING,SLEEVE
15346
5950-01-560-3037INTERCHANGEABLE
TRANSFORMER,CURRENT

Frequently Asked Questions

What is NSN 2805-00-423-0345?

NSN 2805-00-423-0345 is a Valve,poppet,engine, manufactured by Dresser Industries Inc Waukesha Engine Div, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-423-0345?

NSN 2805-00-423-0345 has 3 cross-referenced part numbers: 15-346 (Dresser, Llc), I-760 (Gould Inc Industrial Marketing Div), 15-346 (Dresser Industries Inc Waukesha Engine Div).

What NSN replaces 2805-00-423-0345?

There are 3 known substitutes for 2805-00-423-0345: 5136-00-203-6212, 3120-01-417-8178, 5950-01-560-3037. Verify interchangeability with system specifications before substitution.

What are the specifications of 15-346?

Key specifications for 15-346: Distance From Groove to Stem End: 0.3281 INCHES NOMINAL IN; Groove Diameter: 0.3010 INCHES NOMINAL IN; Head Style: FLAT; Stem Length: 4.9687 INCHES NOMINAL IN. 13 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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