PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

195778-1Coalescer Assy

Honeywell International Inc. Div Aerospace - Torrance · NSN 1660-01-181-4209 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-181-4209 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-181-4209. Primary manufacturer part number: 195778-1.
Features
  • Coalescer Assy — FSC 1660
  • General Characteristics Item Description: APPROX O/A DIMS 8.84 IN. LG,6.00 IN. DIA IN
  • 5 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Div Aerospace - Torrance
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coalescer Assy, cataloged under National Stock Number 1660-01-181-4209, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-181-4209
Primary Part Number195778-1
Item NameCoalescer Assy
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
General Characteristics Item DescriptionAPPROX O/A DIMS 8.84 IN. LG,6.00 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2920-00-554-9155638647 INTERCHANGEABLE
Spark Plug
Am General Llc
5905-00-834-764532A125 INTERCHANGEABLE
Resistor,thermal
Measurement Specialties, Inc.
2510-01-186-09762G4480 INTERCHANGEABLE
Window,vehicular
Caterpillar Inc Div Caterpillar Defense
4730-01-597-6739500046 INTERCHANGEABLE
Adapter,straight,pipe to Boss
Velvac Inc
Cross-Reference Index
Part NumberManufacturer
500046 Keddeg Company Div Keggeg Company (USA)
195778-1 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
195778-1 Honeywell Aerospace De Mexico, S De Rl De Cv (MEX)
1660PL1738966 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1660PL1605318 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
2920-00-554-9155INTERCHANGEABLE
SPARK PLUG
638647
5905-00-834-7645INTERCHANGEABLE
RESISTOR,THERMAL
32A125
2510-01-186-0976INTERCHANGEABLE
WINDOW,VEHICULAR
2G4480
4730-01-597-6739INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
500046

Frequently Asked Questions

What is NSN 1660-01-181-4209?

NSN 1660-01-181-4209 is a Coalescer Assy, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-181-4209?

NSN 1660-01-181-4209 has 5 cross-referenced part numbers: 500046 (Keddeg Company Div Keggeg Company), 195778-1 (Honeywell International Inc. Div Aerospace - Torrance), 195778-1 (Honeywell Aerospace De Mexico, S De Rl De Cv), 1660PL1738966 (Jednolity Indeks Materialowy - Uniform Material Index), 1660PL1605318 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 1660-01-181-4209?

There are 4 known substitutes for 1660-01-181-4209: 2920-00-554-9155, 5905-00-834-7645, 2510-01-186-0976 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 195778-1?

Key specifications for 195778-1: General Characteristics Item Description: APPROX O/A DIMS 8.84 IN. LG,6.00 IN. DIA IN; End Item Identification: F-16 ACFT. 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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