PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181436Valve,poppet,engine

Dresser, Llc · NSN 2815-00-375-2726 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-375-2726 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-375-2726. Primary manufacturer part number: 181436.
Features
  • Valve,poppet,engine — FSC 2815
  • Outside Diameter: 1.4050 INCHES NOMINAL IN
  • Seat Angle in Deg: 45.0
  • First Groove Width: 0.0700 INCHES NOMINAL IN
  • Stem Length: 5.8450 INCHES NOMINAL IN
  • Second Groove Width: 0.09700 INCHES NOMINAL IN
  • Second Groove Diameter: 0.3050 INCHES NOMINAL IN
  • First Groove Diameter: 0.3050 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 2815-00-375-2726, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 19 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-375-2726
Primary Part Number181436
Item NameValve,poppet,engine
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerDresser, Llc
StatusACTIVE
Outside Diameter1.4050 INCHES NOMINAL IN
Seat Angle in Deg45.0
First Groove Width0.0700 INCHES NOMINAL IN
Stem Length5.8450 INCHES NOMINAL IN
Second Groove Width0.09700 INCHES NOMINAL IN
Second Groove Diameter0.3050 INCHES NOMINAL IN
First Groove Diameter0.3050 INCHES NOMINAL IN
Distance From Second Groove to Stem End0.4375 INCHES NOMINAL IN
MaterialSTEEL STEM
Distance From First Groove to Stem End0.2800 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
MaterialSTEEL CORROSION RESISTING HEAD
Chamfer Length0.0310 INCHES NOMINAL IN
Stem StyleDOUBLE GROOVED
Neck Radius0.2340 INCHES NOMINAL IN
Stem Diameter0.3710 INCHES NOMINAL IN
Chamfer Angle in Deg45.0
Head Height0.1450 INCHES NOMINAL IN
Head StyleFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5325-00-248-7047 INTERCHANGEABLE
Grommet,nonmetallic
4310-00-457-8350 INTERCHANGEABLE
Overloae
4820-00-482-361472-5095-2 INTERCHANGEABLE
Cock,plug
Afcon Products, Inc.
5360-01-248-263083515 INTERCHANGEABLE
Spring
Malabar
5306-01-384-2549181436 INTERCHANGEABLE
Bolt,machine
Vulcan Steel Structures, Inc.
6145-01-548-275883515 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Co Electronics Div
1560-01-673-764783515 INTERCHANGEABLE
Parts Kit,wing
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
MILE11276 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
835-15 Aqua-Chem Inc Cleaver-Brooks Div (USA)
181436 PRIMARY Dresser, Llc (USA)
Related Parts
5325-00-248-7047INTERCHANGEABLE
GROMMET,NONMETALLIC
4310-00-457-8350INTERCHANGEABLE
OVERLOAE
4820-00-482-3614INTERCHANGEABLE
COCK,PLUG
72-5095-2
5360-01-248-2630INTERCHANGEABLE
SPRING
83515
5306-01-384-2549INTERCHANGEABLE
BOLT,MACHINE
181436
6145-01-548-2758INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
83515
1560-01-673-7647INTERCHANGEABLE
PARTS KIT,WING
83515

Frequently Asked Questions

What is NSN 2815-00-375-2726?

NSN 2815-00-375-2726 is a Valve,poppet,engine, manufactured by Dresser, Llc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-375-2726?

NSN 2815-00-375-2726 has 3 cross-referenced part numbers: MILE11276 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 835-15 (Aqua-Chem Inc Cleaver-Brooks Div), 181436 (Dresser, Llc).

What NSN replaces 2815-00-375-2726?

There are 7 known substitutes for 2815-00-375-2726: 5325-00-248-7047, 4310-00-457-8350, 4820-00-482-3614 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 181436?

Key specifications for 181436: Outside Diameter: 1.4050 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; First Groove Width: 0.0700 INCHES NOMINAL IN; Stem Length: 5.8450 INCHES NOMINAL IN. 19 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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