PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

350023Valve,check

E-One, Inc. Dba E-One Hamburg · NSN 4820-01-581-3988 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-581-3988 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-581-3988. Primary manufacturer part number: 350023.
Features
  • Valve,check — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: E-One, Inc. Dba E-One Hamburg
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-581-3988, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is E-One, Inc. Dba E-One Hamburg. This item has 1 commercial cross-reference from 1 manufacturer, 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 NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersE-One, Inc. Dba E-One Hamburg (CAGE 8P082)
Technical Specifications
ParameterValue
NSN4820-01-581-3988
Primary Part Number350023
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerE-One, Inc. Dba E-One Hamburg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5865-01-100-22973500-23 INTERCHANGEABLE
Phase Card,transiti
Te Connectivity Corporation
5340-01-224-6382350023 INTERCHANGEABLE
Cap,protective,dust and Moisture
Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
5985-01-248-1131229490 INTERCHANGEABLE
Waveguide
Microtech Inc Dba Microtech Inc
5340-01-273-5218350023 INTERCHANGEABLE
Cap,protective,dust and Moisture
Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
Cross-Reference Index
Part NumberManufacturer
350023 PRIMARY E-One, Inc. Dba E-One Hamburg (USA)
Related Parts
5865-01-100-2297INTERCHANGEABLE
PHASE CARD,TRANSITI
3500-23
5340-01-224-6382INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
350023
5985-01-248-1131INTERCHANGEABLE
WAVEGUIDE
229490
5340-01-273-5218INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
350023

Frequently Asked Questions

What is NSN 4820-01-581-3988?

NSN 4820-01-581-3988 is a Valve,check, manufactured by E-One, Inc. Dba E-One Hamburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-581-3988?

NSN 4820-01-581-3988 has 1 cross-referenced part number: 350023 (E-One, Inc. Dba E-One Hamburg).

What NSN replaces 4820-01-581-3988?

There are 4 known substitutes for 4820-01-581-3988: 5865-01-100-2297, 5340-01-224-6382, 5985-01-248-1131 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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