PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14050658Valve,poppet,engine

General Motors Llc Dba General Motors Llc · NSN 2815-01-163-7190 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-163-7190 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-163-7190. Primary manufacturer part number: 14050658.
Features
  • Valve,poppet,engine — FSC 2815
  • Seat Angle in Deg: 45.0
  • Metallic Hardness Rating and Location: 42.0 ROCKWELL C MAXIMUM HEAD
  • Chamfer Angle in Deg: 20.0
  • Second Groove Width: 2.67 MILLIMETERS MAXIMUM MM
  • First Groove Diameter: 7.60 MILLIMETERS NOMINAL MM
  • Metallic Hardness Rating and Location: 49.0 ROCKWELL C MINIMUM STEM
  • Distance From First Groove to Stem End: 7.00 MILLIMETERS MAXIMUM MM
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 2815-01-163-7190, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2815-01-163-7190
Primary Part Number14050658
Item NameValve,poppet,engine
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Seat Angle in Deg45.0
Metallic Hardness Rating and Location42.0 ROCKWELL C MAXIMUM HEAD
Chamfer Angle in Deg20.0
Second Groove Width2.67 MILLIMETERS MAXIMUM MM
First Groove Diameter7.60 MILLIMETERS NOMINAL MM
Metallic Hardness Rating and Location49.0 ROCKWELL C MINIMUM STEM
Distance From First Groove to Stem End7.00 MILLIMETERS MAXIMUM MM
Stem Diameter8.75 MILLIMETERS NOMINAL MM
Minor Diameter Length18.44 MILLIMETERS MAXIMUM MM
Second Groove Diameter7.60 MILLIMETERS NOMINAL MM
Chamfer Length1.00 MILLIMETERS NOMINAL MM
Metallic Hardness Rating and Location42.0 ROCKWELL C MAXIMUM STEM
Minor Outside Diameter8.67 MILLIMETERS NOMINAL MM
Distance From Second Groove to Stem End13.35 MILLIMETERS MAXIMUM MM
Carbon Relief GrooveNOT INCLUDED
Outside Diameter47.57 MILLIMETERS NOMINAL MM
Head StyleFLAT
Head Height4.70 MILLIMETERS NOMINAL MM
Stem Length125.23 MILLIMETERS NOMINAL MM
Stem StyleDOUBLE GROOVED
Neck Radius15.00 MILLIMETERS NOMINAL MM
First Groove Width2.67 MILLIMETERS MAXIMUM MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2815-01-163-718914033927 INTERCHANGEABLE
Valve,poppet,engine
General Motors Llc Dba General Motors Llc
2815-01-163-719114050659 INTERCHANGEABLE
Valve,poppet,engine
General Motors Llc Dba General Motors Llc
2920-01-169-049295635 INTERCHANGEABLE
Switch,engine Starter,electrical
Cole Hersee Company
Cross-Reference Index
Part NumberManufacturer
14050658 General Motors Llc Dba General Motors Llc (USA)
14050658 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
23500059 General Motors Llc Dba General Motors Llc (USA)
14050657 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
2815PL0873777 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5740194 Am General Llc (USA)
Related Parts
2815-01-163-7189INTERCHANGEABLE
VALVE,POPPET,ENGINE
14033927
2815-01-163-7191INTERCHANGEABLE
VALVE,POPPET,ENGINE
14050659
2920-01-169-0492INTERCHANGEABLE
SWITCH,ENGINE STARTER,ELECTRICAL
95635

Frequently Asked Questions

What is NSN 2815-01-163-7190?

NSN 2815-01-163-7190 is a Valve,poppet,engine, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2815 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2815-01-163-7190?

NSN 2815-01-163-7190 has 6 cross-referenced part numbers: 14050658 (General Motors Llc Dba General Motors Llc), 14050658 (General Motors Corp Chevrolet Motor Div Special Products Dept), 23500059 (General Motors Llc Dba General Motors Llc), 14050657 (General Motors Corp Chevrolet Motor Div Special Products Dept), 2815PL0873777 (Jednolity Indeks Materialowy - Uniform Material Index) and 1 more.

What NSN replaces 2815-01-163-7190?

There are 3 known substitutes for 2815-01-163-7190: 2815-01-163-7189, 2815-01-163-7191, 2920-01-169-0492. Verify interchangeability with system specifications before substitution.

What are the specifications of 14050658?

Key specifications for 14050658: Seat Angle in Deg: 45.0; Metallic Hardness Rating and Location: 42.0 ROCKWELL C MAXIMUM HEAD; Chamfer Angle in Deg: 20.0; Second Groove Width: 2.67 MILLIMETERS MAXIMUM MM. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2815-01-163-7190 still in active supply?

NSN 2815-01-163-7190 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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