PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203479Poppet,valve

Valcor Engineering Corporation · NSN 1650-00-337-5265 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-337-5265 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-337-5265. Primary manufacturer part number: 203479.
Features
  • Poppet,valve — FSC 1650
  • General Characteristics Item Description: CRES,PASSIVATED,1.188 IN. LG,0.355 IN. OD IN
  • 2 verified cross-references
  • Primary manufacturer: Valcor Engineering Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Poppet,valve, cataloged under National Stock Number 1650-00-337-5265, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Valcor Engineering Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-337-5265
Primary Part Number203479
Item NamePoppet,valve
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerValcor Engineering Corporation
StatusACTIVE
General Characteristics Item DescriptionCRES,PASSIVATED,1.188 IN. LG,0.355 IN. OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5307-00-350-6735203479 INTERCHANGEABLE
Stud,plain
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5330-00-909-9606203479 INTERCHANGEABLE
Seal,turbine Wheel
Honeywell International Inc. Div Aerospace - Torrance
5365-01-055-6450203479 INTERCHANGEABLE
Shim,retainer
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5305-01-367-662320-3479 INTERCHANGEABLE
Screw,machine
Itw Industrial Finishing Dba Binks Devilbiss
5330-01-632-6878203479 INTERCHANGEABLE
Seal Ring,metal
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
203479 PRIMARY Valcor Engineering Corporation (USA)
203479 Kidde-Fenwal, Llc (USA)
Related Parts
5307-00-350-6735INTERCHANGEABLE
STUD,PLAIN
203479
5330-00-909-9606INTERCHANGEABLE
SEAL,TURBINE WHEEL
203479
5365-01-055-6450INTERCHANGEABLE
SHIM,RETAINER
203479
5305-01-367-6623INTERCHANGEABLE
SCREW,MACHINE
20-3479
5330-01-632-6878INTERCHANGEABLE
SEAL RING,METAL
203479

Frequently Asked Questions

What is NSN 1650-00-337-5265?

NSN 1650-00-337-5265 is a Poppet,valve, manufactured by Valcor Engineering Corporation, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-337-5265?

NSN 1650-00-337-5265 has 2 cross-referenced part numbers: 203479 (Valcor Engineering Corporation), 203479 (Kidde-Fenwal, Llc).

What NSN replaces 1650-00-337-5265?

There are 5 known substitutes for 1650-00-337-5265: 5307-00-350-6735, 5330-00-909-9606, 5365-01-055-6450 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203479?

Key specifications for 203479: General Characteristics Item Description: CRES,PASSIVATED,1.188 IN. LG,0.355 IN. OD IN. 1 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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