PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

224-25Valve,oxygen Mask,aircraft

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-01-469-9342 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-469-9342 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-469-9342. Primary manufacturer part number: 224-25.
Features
  • Valve,oxygen Mask,aircraft — FSC 1660
  • General Characteristics Item Description: USED ON TYPE MC-3A CONNECTOR A
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,oxygen Mask,aircraft, cataloged under National Stock Number 1660-01-469-9342, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-469-9342
Primary Part Number224-25
Item NameValve,oxygen Mask,aircraft
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
General Characteristics Item DescriptionUSED ON TYPE MC-3A CONNECTOR A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-194-359863X565 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5315-00-271-692922-4-2-5 INTERCHANGEABLE
Pin,grooved,headless
Lockheed Martin Corporation Div Rotary and Mission Systems
3120-00-303-497112A8117 INTERCHANGEABLE
Bearing,sleeve
Napco International Llc Dba Napco International Inc
5330-00-710-2048 INTERCHANGEABLE
Seal,plain Encased
5895-01-055-3390 INTERCHANGEABLE
Center Conductor Assy
3030-01-200-600422425 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5315-01-224-677522425 INTERCHANGEABLE
Key,woodruff
Industrial Technologies and Services Llc
5998-01-304-5299 INTERCHANGEABLE
Circuit Card Assembly
4730-01-379-2840224-25 INTERCHANGEABLE
Adapter,straight,tube to Hose
Aerotech World Trade Corp.
4820-01-464-9373 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
224-25 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5330-00-194-3598INTERCHANGEABLE
SEAL,PLAIN ENCASED
63X565
5315-00-271-6929INTERCHANGEABLE
PIN,GROOVED,HEADLESS
22-4-2-5
3120-00-303-4971INTERCHANGEABLE
BEARING,SLEEVE
12A8117
5330-00-710-2048INTERCHANGEABLE
SEAL,PLAIN ENCASED
5895-01-055-3390INTERCHANGEABLE
CENTER CONDUCTOR ASSY
3030-01-200-6004INTERCHANGEABLE
BELT,V
22425
5315-01-224-6775INTERCHANGEABLE
KEY,WOODRUFF
22425
5998-01-304-5299INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4730-01-379-2840INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
224-25
4820-01-464-9373INTERCHANGEABLE
VALVE,GATE
6685-01-501-3970INTERCHANGEABLE
TRANSDUCER,TEMPERAT
22425
4820-01-527-7280INTERCHANGEABLE
FLANGE,GLAND,VALVE
04114111

Frequently Asked Questions

What is NSN 1660-01-469-9342?

NSN 1660-01-469-9342 is a Valve,oxygen Mask,aircraft, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-469-9342?

NSN 1660-01-469-9342 has 1 cross-referenced part number: 224-25 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-01-469-9342?

There are 12 known substitutes for 1660-01-469-9342: 5330-00-194-3598, 5315-00-271-6929, 3120-00-303-4971 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 224-25?

Key specifications for 224-25: General Characteristics Item Description: USED ON TYPE MC-3A CONNECTOR A; End Item Identification: 1660-01-338-8000 SMOKE MASK ASSEMBLY. 2 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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