PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25900-1Regulator,flow

Avox Systems Inc Dba Avox Systems Inc · NSN 4240-00-920-0144 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-00-920-0144 — this item is cataloged by the U.S. Government under National Stock Number 4240-00-920-0144. Primary manufacturer part number: 25900-1.
Features
  • Regulator,flow — FSC 4240
  • General Characteristics Item Description: ONE EACH OF THE FOLLOWING; TEE ASSEMBLY P/N 26045-1,RESPIRATOR REGULATOR P/N 23000-1
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator,flow, cataloged under National Stock Number 4240-00-920-0144, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-00-920-0144
Primary Part Number25900-1
Item NameRegulator,flow
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
General Characteristics Item DescriptionONE EACH OF THE FOLLOWING; TEE ASSEMBLY P/N 26045-1,RESPIRATOR REGULATOR P/N 23000-1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-00-110-7527S3000 INTERCHANGEABLE
Adapter,connector
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
Cross-Reference Index
Part NumberManufacturer
25900-1 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5935-00-110-7527INTERCHANGEABLE
ADAPTER,CONNECTOR
S3000

Frequently Asked Questions

What is NSN 4240-00-920-0144?

NSN 4240-00-920-0144 is a Regulator,flow, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-00-920-0144?

NSN 4240-00-920-0144 has 1 cross-referenced part number: 25900-1 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 4240-00-920-0144?

There is 1 known substitute for 4240-00-920-0144: 5935-00-110-7527. Verify interchangeability with system specifications before substitution.

What are the specifications of 25900-1?

Key specifications for 25900-1: General Characteristics Item Description: ONE EACH OF THE FOLLOWING; TEE ASSEMBLY P/N 26045-1,RESPIRATOR REGULATOR P/N 23000-1. 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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