NSN 1660-00-692-0057 · NIIN 006920057 · Part number 22561-2
Triumph Thermal Systems - Maryland, Inc. · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 01359
Government record, cited
NSN 1660-00-692-0057 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-692-0057. Manufacturer of record part number: 22561-2.
Also searched as1660-00-692-0057 ·
1660006920057 ·
NIIN 006920057 ·
00-692-0057 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 01359 · 22561-2
General Characteristics Item Description: 12.944 IN. LG APPROX BY 3.538 IN.DIA O/A IN
1 manufacturer part number on file
Manufacturer of record: Triumph Thermal Systems - Maryland, Inc.
Identification
NSN: 1660-00-692-0057
NIIN: 006920057
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 22561-2
Manufacturer: Triumph Thermal Systems - Maryland, Inc.
General Description
The Venturi Assembly,pressure, cataloged under National Stock Number 1660-00-692-0057, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-00-692-0057
Primary Part Number
22561-2
Item Name
Venturi Assembly,pressure
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Triumph Thermal Systems - Maryland, Inc.
Status
ACTIVE
General Characteristics Item Description
12.944 IN. LG APPROX BY 3.538 IN.DIA O/A IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5985-01-264-2906225612POSSIBLE MATCH
WAVEGUIDE ASSEMBLY
Possible match (shared part number)Microtech Inc Dba Microtech Inc
5920-01-289-5190BH-2177POSSIBLE MATCH
FUSEHOLDER,EXTRACTOR POST
Possible match (shared part number)Lift-Tech Intl Inc Crane and Hoist Opns
5330-01-290-3971225612POSSIBLE MATCH
SEAL,RING
Possible match (shared part number)Sensor Systems, L.l.c. Dba Sensor Systems Llc
NSN 1660-00-692-0057 is a Venturi Assembly,pressure, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-00-692-0057?
NSN 1660-00-692-0057 has 1 manufacturer part number on file: 22561-2 (Triumph Thermal Systems - Maryland, Inc.).
What NSN replaces 1660-00-692-0057?
5 possible matches (shared part number, not a government interchangeability claim): 5985-01-264-2906, 5920-01-289-5190, 5330-01-290-3971. Verify interchangeability with system specifications before substitution.
What are the specifications of 22561-2?
Key specifications for 22561-2: General Characteristics Item Description: 12.944 IN. LG APPROX BY 3.538 IN.DIA O/A IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-00-692-0057 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1660-00-692-0057?
NSN 1660-00-692-0057 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.