PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

450-194Mask,oxygen

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-810-3222 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-810-3222 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-810-3222. Primary manufacturer part number: 450-194.
Features
  • Mask,oxygen — FSC 1660
  • Helmet Fastener: INCLUDED
  • Microphone Pocket: INCLUDED
  • Intake Tube Corrugated Feature: INCLUDED
  • Microphone: NOT INCLUDED
  • Oxygen System Type: PRESSURE DEMAND
  • Nondefinitive Spec/std Data: MBU5P TYPE
  • Intake Tube Length: 17.500 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Polyamide Nylon and Plastic Location Not Otherwise Specified construction
General Description

The Mask,oxygen, cataloged under National Stock Number 1660-00-810-3222, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1660-00-810-3222
Primary Part Number450-194
Item NameMask,oxygen
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusCANCELLED
Helmet FastenerINCLUDED
Microphone PocketINCLUDED
Intake Tube Corrugated FeatureINCLUDED
MicrophoneNOT INCLUDED
Oxygen System TypePRESSURE DEMAND
Nondefinitive Spec/std DataMBU5P TYPE
Intake Tube Length17.500 INCHES NOMINAL IN
FSC Application DataBREATHING OXYGEN SYSTEM,AIRCRAFT
MaterialPLASTIC POLYAMIDE NYLON AND PLASTIC LOCATION NOT OTHERWISE SPECIFIED
MaterialSILICON FACEPIECE
Accessory Components and QuantityHELMET ATTACHMENTS 2,INSERT,FACE PIECE 1,SCREWS 6
HarnessINCLUDED
HeadbandNOT PROVIDED
Design TypeNOSE AND MOUTH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
1660-00-811-5259 INTERCHANGEABLE
Mask,oxygen
2990-00-844-5382 INTERCHANGEABLE
Pipe,exhaust
5340-01-265-892545084-11 INTERCHANGEABLE
Strap,webbing
Ancra International Llc
3455-01-365-1657305-37 INTERCHANGEABLE
Cutter,milling,side
Kennametal Inc. Div Kennametal Industrial Products Group
Cross-Reference Index
Part NumberManufacturer
G005-1001-04 Bhv Aviation Consultants Gmbh (DEU)
G005-1001-04 Gentex Corp (USA)
60D3516 Department of the Air Force (USA)
450-194 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
MILM27274TYPEMBU5P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7425180-40 San Antonio Air Logistics Center (USA)
450-84 Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
1660-00-811-5259INTERCHANGEABLE
MASK,OXYGEN
2990-00-844-5382INTERCHANGEABLE
PIPE,EXHAUST
5340-01-265-8925INTERCHANGEABLE
STRAP,WEBBING
45084-11
3455-01-365-1657INTERCHANGEABLE
CUTTER,MILLING,SIDE
305-37

Frequently Asked Questions

What is NSN 1660-00-810-3222?

NSN 1660-00-810-3222 is a Mask,oxygen, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-810-3222?

NSN 1660-00-810-3222 has 7 cross-referenced part numbers: G005-1001-04 (Bhv Aviation Consultants Gmbh), G005-1001-04 (Gentex Corp), 60D3516 (Department of the Air Force), 450-194 (Avox Systems Inc Dba Avox Systems Inc), MILM27274TYPEMBU5P (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 1660-00-810-3222?

There are 4 known substitutes for 1660-00-810-3222: 1660-00-811-5259, 2990-00-844-5382, 5340-01-265-8925 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 450-194?

Key specifications for 450-194: Special Features: SHORT NARROW; Helmet Fastener: INCLUDED; Microphone Pocket: INCLUDED; Intake Tube Corrugated Feature: INCLUDED. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1660-00-810-3222 still in active supply?

NSN 1660-00-810-3222 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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