PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS2815-0034Valve,poppet,engine

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 2815-00-306-1956 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-306-1956 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-306-1956. Primary manufacturer part number: CS2815-0034.
Features
  • Valve,poppet,engine — FSC 2815
  • Chamfer Length: 0.0200 INCHES NOMINAL IN
  • Outside Diameter: 1.8070 INCHES MINIMUM AND 1.8170 INCHES MAXIMUM IN
  • Metallic Hardness Rating and Location: 37.0 ROCKWELL C MINIMUM OVERALL
  • FSC Application Data: DIESEL ENGINE
  • Metallic Hardness Rating and Location: 45.0 ROCKWELL C MAXIMUM OVERALL
  • Groove Width: 0.1250 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
  • Groove Diameter: 0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM 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 2815-00-306-1956, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN2815-00-306-1956
Primary Part NumberCS2815-0034
Item NameValve,poppet,engine
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Chamfer Length0.0200 INCHES NOMINAL IN
Outside Diameter1.8070 INCHES MINIMUM AND 1.8170 INCHES MAXIMUM IN
Metallic Hardness Rating and Location37.0 ROCKWELL C MINIMUM OVERALL
FSC Application DataDIESEL ENGINE
Metallic Hardness Rating and Location45.0 ROCKWELL C MAXIMUM OVERALL
Groove Width0.1250 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
Groove Diameter0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM IN
Stem Diameter0.3715 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM IN
Head Height0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM IN
Chamfer Angle in Deg45.0
Distance From Groove to Stem End0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN
Seat Angle in Deg45.0
Head StyleFLAT
Stem StyleGROOVED
Neck Radius0.4400 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
Stem Length5.7450 INCHES MINIMUM AND 5.7550 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6685-00-526-8620G22699 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
5331-00-558-248314335 INTERCHANGEABLE
O-Ring
Mission Systems Orchard Park Inc
5965-00-588-6789939-808-002-607 INTERCHANGEABLE
Boom,microphone
Roanwell, Llc
5310-00-902-6676MS21083N3 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-01-052-113314335 INTERCHANGEABLE
Gasket
Dana Commercial Vehicle Products, Llc
6145-01-170-2318S10-1899 INTERCHANGEABLE
Cable,special Purpose,electrical
National Wire and Cable Corporation Dba National Wire and Cable Div National Cable Molding Corporation
6240-01-344-5146Q900T3/CL/HIR/277 INTERCHANGEABLE
Lamp,incandescent
General Electric Company Dba Ge
Cross-Reference Index
Part NumberManufacturer
14335 Wid Lee Machine and Tool Co (USA)
CS2815-0034 Wico-Prestolite Co the Div of Eltra Corp (USA)
CS2815-0034 Eaton Corp Engine Components Div (USA)
CS2815-0034 Sasco Inc Canadian Div
CS2815-0034 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
14335 Wico-Prestolite Co the Div of Eltra Corp (USA)
A70661 Sasco Inc Canadian Div
Related Parts
6685-00-526-8620INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
G22699
5331-00-558-2483INTERCHANGEABLE
O-RING
14335
5965-00-588-6789INTERCHANGEABLE
BOOM,MICROPHONE
939-808-002-607
5310-00-902-6676INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21083N3
5330-01-052-1133INTERCHANGEABLE
GASKET
14335
6145-01-170-2318INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
S10-1899
6240-01-344-5146INTERCHANGEABLE
LAMP,INCANDESCENT
Q900T3/CL/HIR/277

Frequently Asked Questions

What is NSN 2815-00-306-1956?

NSN 2815-00-306-1956 is a Valve,poppet,engine, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-306-1956?

NSN 2815-00-306-1956 has 7 cross-referenced part numbers: 14335 (Wid Lee Machine and Tool Co), CS2815-0034 (Wico-Prestolite Co the Div of Eltra Corp), CS2815-0034 (Eaton Corp Engine Components Div), CS2815-0034 (Sasco Inc Canadian Div), CS2815-0034 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 2 more.

What NSN replaces 2815-00-306-1956?

There are 7 known substitutes for 2815-00-306-1956: 6685-00-526-8620, 5331-00-558-2483, 5965-00-588-6789 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS2815-0034?

Key specifications for CS2815-0034: Chamfer Length: 0.0200 INCHES NOMINAL IN; Outside Diameter: 1.8070 INCHES MINIMUM AND 1.8170 INCHES MAXIMUM IN; Metallic Hardness Rating and Location: 37.0 ROCKWELL C MINIMUM OVERALL; FSC Application Data: DIESEL ENGINE. 17 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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