PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DE129S4105-241319PC4-36-37Seat,valve Assy

Naval Ship Systems Command · NSN 2030-00-336-5608 · FSC 2030 · No Item Name Available
Verified by PartsTable
NSN 2030-00-336-5608 — this item is cataloged by the U.S. Government under National Stock Number 2030-00-336-5608. Primary manufacturer part number: DE129S4105-241319PC4-36-37.
Features
  • Seat,valve Assy — FSC 2030
  • 3 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve Assy, cataloged under National Stock Number 2030-00-336-5608, is classified within Federal Supply Class 2030 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Naval Ship Systems Command. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve Assy
FSC / FSG2030 — No Item Name Available (FSG 20)
ManufacturersNaval Ship Systems Command (CAGE 80064); Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (CAGE 82722)
Technical Specifications
ParameterValue
NSN2030-00-336-5608
Primary Part NumberDE129S4105-241319PC4-36-37
Item NameSeat,valve Assy
FSC / FSG2030 / 20 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5999-00-613-15538020 INTERCHANGEABLE
Gasketing Material,conductive
Saint-Gobain Performance Plastics Corp Div Composites
Cross-Reference Index
Part NumberManufacturer
DE129S4105-241319PC4-36-37 PRIMARY Naval Ship Systems Command (USA)
521894 Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
Y1028B1PC4-36-37 Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
Related Parts
5999-00-613-1553INTERCHANGEABLE
GASKETING MATERIAL,CONDUCTIVE
8020

Frequently Asked Questions

What is NSN 2030-00-336-5608?

NSN 2030-00-336-5608 is a Seat,valve Assy, manufactured by Naval Ship Systems Command, classified under FSC 2030 (No Item Name Available). Status: active.

What are the part numbers for NSN 2030-00-336-5608?

NSN 2030-00-336-5608 has 3 cross-referenced part numbers: DE129S4105-241319PC4-36-37 (Naval Ship Systems Command), 521894 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp), Y1028B1PC4-36-37 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp).

What NSN replaces 2030-00-336-5608?

There is 1 known substitute for 2030-00-336-5608: 5999-00-613-1553. Verify interchangeability with system specifications before substitution.

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