PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20401Oxygen System,aircraft Survival

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-656-8772 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-656-8772 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-656-8772. Primary manufacturer part number: 20401.
Features
  • Oxygen System,aircraft Survival — FSC 1660
  • 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 Oxygen System,aircraft Survival, cataloged under National Stock Number 1660-00-656-8772, 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. 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.

Catalog Facts
Item NameOxygen System,aircraft Survival
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersAvox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN1660-00-656-8772
Primary Part Number20401
Item NameOxygen System,aircraft Survival
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-198-262614256P11 INTERCHANGEABLE
Bearing,roller,self-Aligning
Taylor Machine Works Inc
3120-00-375-2877 INTERCHANGEABLE
Bushing Pump Shaft
5961-00-467-1782 INTERCHANGEABLE
Semiconductor Devices,unitized
5940-00-518-79801226979-1 INTERCHANGEABLE
Terminal,stud
Honeywell Intl Inc Defense Avionics Systems
5950-00-645-510020401 INTERCHANGEABLE
Transformer,power
Magnetika Inc Div Magnetika/phillipsburg Location
5975-01-055-51605032 INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
9540-01-085-4004 INTERCHANGEABLE
Angle,structural
4720-01-317-491020401 INTERCHANGEABLE
Hose,preformed
Gates Corporation
6240-01-344-9532F9TT/27K INTERCHANGEABLE
Lamp,fluorescent
Gte Products Corp Sylvania Miniature Lighting Div
5120-01-393-388920401 INTERCHANGEABLE
Locator,timing Line
Deere & Co
Cross-Reference Index
Part NumberManufacturer
20401 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
3110-00-198-2626INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
14256P11
3120-00-375-2877INTERCHANGEABLE
BUSHING PUMP SHAFT
5961-00-467-1782INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5940-00-518-7980INTERCHANGEABLE
TERMINAL,STUD
1226979-1
5950-00-645-5100INTERCHANGEABLE
TRANSFORMER,POWER
20401
5975-01-055-5160INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
5032
9540-01-085-4004INTERCHANGEABLE
ANGLE,STRUCTURAL
4720-01-317-4910INTERCHANGEABLE
HOSE,PREFORMED
20401
6240-01-344-9532INTERCHANGEABLE
LAMP,FLUORESCENT
F9TT/27K
5120-01-393-3889INTERCHANGEABLE
LOCATOR,TIMING LINE
20401
6510-01-549-5706INTERCHANGEABLE
DRESSING,BURN
20401
1005-01-554-0752INTERCHANGEABLE
COVER,EJECTION PORT
20401

Frequently Asked Questions

What is NSN 1660-00-656-8772?

NSN 1660-00-656-8772 is a Oxygen System,aircraft Survival, 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 1660-00-656-8772?

NSN 1660-00-656-8772 has 1 cross-referenced part number: 20401 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-00-656-8772?

There are 12 known substitutes for 1660-00-656-8772: 3110-00-198-2626, 3120-00-375-2877, 5961-00-467-1782 and 9 more. Verify interchangeability with system specifications before substitution.

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