PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20454Disconnect Assembly,oxygen

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-654-2871 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-654-2871 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-654-2871. Primary manufacturer part number: 20454.
Features
  • Disconnect Assembly,oxygen — FSC 1660
  • General Characteristics Item Description: C/O DISCONNECT COIL,18.188 IN. EXTENDED LG;1 ELECTRICAL LEAD ASSY,32.000 IN. LG;1 CAP,DUST AND MOISTURE IN
  • 3 verified cross-references
  • 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 Disconnect Assembly,oxygen, cataloged under National Stock Number 1660-00-654-2871, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-654-2871
Primary Part Number20454
Item NameDisconnect Assembly,oxygen
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
General Characteristics Item DescriptionC/O DISCONNECT COIL,18.188 IN. EXTENDED LG;1 ELECTRICAL LEAD ASSY,32.000 IN. LG;1 CAP,DUST AND MOISTURE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
1040-00-300-422920454 INTERCHANGEABLE
Window
L3harris Technologies, Inc. Div Space and Airborne Systems
1650-00-349-548550711 INTERCHANGEABLE
Filter Element,fluid
Pti Technologies Inc.
5310-00-717-35972493745 INTERCHANGEABLE
Washer,flat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2520-00-846-087719779 INTERCHANGEABLE
Joint
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
1610-00-921-6863HS813R1 INTERCHANGEABLE
Modification Kit Pr
Hamilton Sundstrand Corporation Dba Collins Aerospace
4730-00-922-7889214-1309 INTERCHANGEABLE
Clamp,hose
Cnh Industrial America Llc Dba Cnh America
5961-00-987-9457 INTERCHANGEABLE
Transistor
4820-01-192-2271 INTERCHANGEABLE
Valve,check
5950-01-223-521719779 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
4440-01-271-4925 INTERCHANGEABLE
Receiver,dehydrator
Cross-Reference Index
Part NumberManufacturer
19779 B E Aerospace Inc Services Div (USA)
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
20454 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
1040-00-300-4229INTERCHANGEABLE
WINDOW
20454
1650-00-349-5485INTERCHANGEABLE
FILTER ELEMENT,FLUID
50711
5310-00-717-3597INTERCHANGEABLE
WASHER,FLAT
2493745
2520-00-846-0877INTERCHANGEABLE
JOINT
19779
1610-00-921-6863INTERCHANGEABLE
MODIFICATION KIT PR
HS813R1
4730-00-922-7889INTERCHANGEABLE
CLAMP,HOSE
214-1309
5961-00-987-9457INTERCHANGEABLE
TRANSISTOR
4820-01-192-2271INTERCHANGEABLE
VALVE,CHECK
5950-01-223-5217INTERCHANGEABLE
TRANSFORMER,POWER
19779
4440-01-271-4925INTERCHANGEABLE
RECEIVER,DEHYDRATOR
5970-01-332-7980INTERCHANGEABLE
INSULATOR,PLATE
20454

Frequently Asked Questions

What is NSN 1660-00-654-2871?

NSN 1660-00-654-2871 is a Disconnect Assembly,oxygen, 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 1660-00-654-2871?

NSN 1660-00-654-2871 has 3 cross-referenced part numbers: 19779 (B E Aerospace Inc Services Div), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 20454 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-00-654-2871?

There are 11 known substitutes for 1660-00-654-2871: 1040-00-300-4229, 1650-00-349-5485, 5310-00-717-3597 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20454?

Key specifications for 20454: General Characteristics Item Description: C/O DISCONNECT COIL,18.188 IN. EXTENDED LG;1 ELECTRICAL LEAD ASSY,32.000 IN. LG;1 CAP,DUST AND MOISTURE IN; End Item Identification: 1660-00-628-3589,ACFT SURVIVAL KIT. 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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