PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

263452Valve,poppet,engine

Dresser Industries Inc Waukesha Engine Div · NSN 2805-00-423-0344 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-423-0344 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-423-0344. Primary manufacturer part number: 263452.
Features
  • Valve,poppet,engine — FSC 2805
  • Head Style: FLAT
  • Chamfer Angle in Deg: 45.0
  • Stem Length: 4.9630 INCHES NOMINAL IN
  • Carbon Relief Groove: NOT INCLUDED
  • Material: STEEL OVERALL
  • Stem Style: GROOVED
  • Outside Diameter: 1.3750 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 2805-00-423-0344, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-423-0344
Primary Part Number263452
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerDresser Industries Inc Waukesha Engine Div
StatusACTIVE
Head StyleFLAT
Chamfer Angle in Deg45.0
Stem Length4.9630 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
MaterialSTEEL OVERALL
Stem StyleGROOVED
Outside Diameter1.3750 INCHES NOMINAL IN
Groove Width0.1000 INCHES NOMINAL IN
Seat Angle in Deg45.0
Chamfer Length0.0310 INCHES NOMINAL IN
Stem Diameter0.3400 INCHES NOMINAL IN
Groove Diameter0.3000 INCHES NOMINAL IN
Neck Radius0.3125 INCHES NOMINAL IN
Distance From Groove to Stem End0.3400 INCHES NOMINAL IN
Head Height0.1950 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5820-00-010-0595153-45 INTERCHANGEABLE
Coupling
Te Connectivity Corporation
5306-00-033-006415345 INTERCHANGEABLE
Bolt,machine
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
3110-00-100-052015244 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
3020-00-320-8498A15345 INTERCHANGEABLE
Gear,spur
North Shore Gear & Tool Corp
2925-00-406-438115345 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Williams International Co., L.l.c.
5315-00-461-175315345 INTERCHANGEABLE
Pin,rotor
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5136-00-729-5700 INTERCHANGEABLE
Tap,thread Cutting
3020-01-151-396715345 INTERCHANGEABLE
Gear,spur
New Venture Gear Inc New Process Gear Div
5305-01-273-945815345 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
5307-01-341-1297 INTERCHANGEABLE
Stud,continuous Thread
Cross-Reference Index
Part NumberManufacturer
I-761 Gould Inc Industrial Marketing Div (USA)
15-345 Dresser, Llc (USA)
15-345 Dresser Industries Inc Waukesha Engine Div (USA)
263452 PRIMARY Dresser Industries Inc Waukesha Engine Div (USA)
Related Parts
5820-00-010-0595INTERCHANGEABLE
COUPLING
153-45
5306-00-033-0064INTERCHANGEABLE
BOLT,MACHINE
15345
3110-00-100-0520INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
15244
3020-00-320-8498INTERCHANGEABLE
GEAR,SPUR
A15345
2925-00-406-4381INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
15345
5315-00-461-1753INTERCHANGEABLE
PIN,ROTOR
15345
5136-00-729-5700INTERCHANGEABLE
TAP,THREAD CUTTING
3020-01-151-3967INTERCHANGEABLE
GEAR,SPUR
15345
5305-01-273-9458INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
15345
5307-01-341-1297INTERCHANGEABLE
STUD,CONTINUOUS THREAD
6515-01-491-1759INTERCHANGEABLE
VENTILATOR,VOLUME,PORTABLE
15345

Frequently Asked Questions

What is NSN 2805-00-423-0344?

NSN 2805-00-423-0344 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 2805-00-423-0344?

NSN 2805-00-423-0344 has 4 cross-referenced part numbers: I-761 (Gould Inc Industrial Marketing Div), 15-345 (Dresser, Llc), 15-345 (Dresser Industries Inc Waukesha Engine Div), 263452 (Dresser Industries Inc Waukesha Engine Div).

What NSN replaces 2805-00-423-0344?

There are 11 known substitutes for 2805-00-423-0344: 5820-00-010-0595, 5306-00-033-0064, 3110-00-100-0520 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 263452?

Key specifications for 263452: Head Style: FLAT; Chamfer Angle in Deg: 45.0; Stem Length: 4.9630 INCHES NOMINAL IN; Carbon Relief Groove: NOT INCLUDED. 15 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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