PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

834-75-04Mask,oxygen

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-01-081-2368 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-081-2368 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-081-2368. Primary manufacturer part number: 834-75-04.
Features
  • Mask,oxygen — FSC 1660
  • Microphone: INCLUDED
  • Mask Size Designation: EXTRA LONG
  • Microphone Pocket: NOT INCLUDED
  • Oxygen System Type: PRESSURE DEMAND
  • Material: RUBBER SILICONE CLASS Q FACEPIECE
  • Accessory Components and Quantity: VALVE 1,COMMERCIAL FLEX MOUNT 1,COMMERCIAL CONNECTOR 1,HOSE WITH STRESS CORD 1,CLAMP 1,CABLE GUIDE 1,LOWER CONNECTOR 1
  • Harness: INCLUDED
Applications
  • Applications requiring Rubber Silicone Class Q Facepiece construction
General Description

The Mask,oxygen, cataloged under National Stock Number 1660-01-081-2368, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1660-01-081-2368
Primary Part Number834-75-04
Item NameMask,oxygen
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusCANCELLED
MicrophoneINCLUDED
Mask Size DesignationEXTRA LONG
Microphone PocketNOT INCLUDED
Oxygen System TypePRESSURE DEMAND
MaterialRUBBER SILICONE CLASS Q FACEPIECE
Accessory Components and QuantityVALVE 1,COMMERCIAL FLEX MOUNT 1,COMMERCIAL CONNECTOR 1,HOSE WITH STRESS CORD 1,CLAMP 1,CABLE GUIDE 1,LOWER CONNECTOR 1
HarnessINCLUDED
Design TypeMOUTH AND NOSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
1660-01-073-7595834-75-02 INTERCHANGEABLE
Mask,oxygen
Avox Systems Inc Dba Avox Systems Inc
1660-01-073-7596 INTERCHANGEABLE
Mask,oxygen
1660-01-081-9157 INTERCHANGEABLE
Mask,oxygen
Cross-Reference Index
Part NumberManufacturer
834-75-4 Avox Systems Inc Dba Avox Systems Inc (USA)
834-75-08 Avox Systems Inc Dba Avox Systems Inc (USA)
MIL-M-87163 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87163-04 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
G012-1050-04 Gentex Corp (USA)
834-75-04 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
1660PL2033739 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
1660-01-073-7595INTERCHANGEABLE
MASK,OXYGEN
834-75-02
1660-01-073-7596INTERCHANGEABLE
MASK,OXYGEN
1660-01-081-9157INTERCHANGEABLE
MASK,OXYGEN

Frequently Asked Questions

What is NSN 1660-01-081-2368?

NSN 1660-01-081-2368 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 1660-01-081-2368?

NSN 1660-01-081-2368 has 7 cross-referenced part numbers: 834-75-4 (Avox Systems Inc Dba Avox Systems Inc), 834-75-08 (Avox Systems Inc Dba Avox Systems Inc), MIL-M-87163 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87163-04 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), G012-1050-04 (Gentex Corp) and 2 more.

What NSN replaces 1660-01-081-2368?

There are 3 known substitutes for 1660-01-081-2368: 1660-01-073-7595, 1660-01-073-7596, 1660-01-081-9157. Verify interchangeability with system specifications before substitution.

What are the specifications of 834-75-04?

Key specifications for 834-75-04: Microphone: INCLUDED; Mask Size Designation: EXTRA LONG; Microphone Pocket: NOT INCLUDED; Oxygen System Type: PRESSURE DEMAND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1660-01-081-2368 still in active supply?

NSN 1660-01-081-2368 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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