PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

140266Stem,fluid Valve

Meggitt Safety Systems Inc · NSN 4820-00-050-1027 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-050-1027 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-050-1027. Primary manufacturer part number: 140266.
Features
  • Stem,fluid Valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Meggitt Safety Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-00-050-1027, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Meggitt Safety Systems Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStem,fluid Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMeggitt Safety Systems Inc (CAGE 05167); Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County (CAGE 45402)
Technical Specifications
ParameterValue
NSN4820-00-050-1027
Primary Part Number140266
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMeggitt Safety Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-933-8118355-221-0023 INTERCHANGEABLE
Washer,lock
Meggitt (new Hampshire), Inc
5935-01-240-80752-87879-1 INTERCHANGEABLE
Connector,receptacle,electrical
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
140266 PRIMARY Meggitt Safety Systems Inc (USA)
140266 Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County (USA)
Related Parts
5310-00-933-8118INTERCHANGEABLE
WASHER,LOCK
355-221-0023
5935-01-240-8075INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2-87879-1

Frequently Asked Questions

What is NSN 4820-00-050-1027?

NSN 4820-00-050-1027 is a Stem,fluid Valve, manufactured by Meggitt Safety Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-050-1027?

NSN 4820-00-050-1027 has 2 cross-referenced part numbers: 140266 (Meggitt Safety Systems Inc), 140266 (Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County).

What NSN replaces 4820-00-050-1027?

There are 2 known substitutes for 4820-00-050-1027: 5310-00-933-8118, 5935-01-240-8075. Verify interchangeability with system specifications before substitution.

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