PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PYO-T414Tappet,engine Poppet Valve

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 2815-01-290-4325 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-290-4325 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-290-4325. Primary manufacturer part number: PYO-T414.
Features
  • Tappet,engine Poppet Valve — FSC 2815
  • 4 verified cross-references
  • Primary manufacturer: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Tappet,engine Poppet Valve, cataloged under National Stock Number 2815-01-290-4325, 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). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTappet,engine Poppet Valve
FSC / FSG2815 — No Item Name Available (FSG 28)
ManufacturersUlstein Bergen A/s (CAGE N0379); Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); Lorange Anders A/s (CAGE N1481); Rolls-Royce Marine North America Inc (CAGE 1TH76)
Technical Specifications
ParameterValue
NSN2815-01-290-4325
Primary Part NumberPYO-T414
Item NameTappet,engine Poppet Valve
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5136-00-197-9537 INTERCHANGEABLE
Die,thread Cutting
3040-00-360-3902117 INTERCHANGEABLE
Clamp,hub
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4210-01-321-179223-389 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
Kidde Technologies, Inc Div Kidde Aerospace and Defense
4320-01-517-0514 INTERCHANGEABLE
Pump,rotary
Cross-Reference Index
Part NumberManufacturer
23389 Ulstein Bergen A/s (NOR)
PYO-T414 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
PYO-T414 Lorange Anders A/s (NOR)
PYO-T414 Rolls-Royce Marine North America Inc (USA)
Related Parts
5136-00-197-9537INTERCHANGEABLE
DIE,THREAD CUTTING
3040-00-360-3902INTERCHANGEABLE
CLAMP,HUB
117
4210-01-321-1792INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
23-389
4320-01-517-0514INTERCHANGEABLE
PUMP,ROTARY

Frequently Asked Questions

What is NSN 2815-01-290-4325?

NSN 2815-01-290-4325 is a Tappet,engine Poppet Valve, 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 2815-01-290-4325?

NSN 2815-01-290-4325 has 4 cross-referenced part numbers: 23389 (Ulstein Bergen A/s), PYO-T414 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), PYO-T414 (Lorange Anders A/s), PYO-T414 (Rolls-Royce Marine North America Inc).

What NSN replaces 2815-01-290-4325?

There are 4 known substitutes for 2815-01-290-4325: 5136-00-197-9537, 3040-00-360-3902, 4210-01-321-1792 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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