PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4186-2Diffuser,air,aircraft Heating an

Aerospace Lighting Corporation · NSN 1660-01-564-7127 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-564-7127 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-564-7127. Primary manufacturer part number: 4186-2.
Features
  • Diffuser,air,aircraft Heating an — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Aerospace Lighting Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-01-564-7127, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Aerospace Lighting Corporation. This item has 2 commercial cross-references from 2 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
NSN1660-01-564-7127
Primary Part Number4186-2
Item NameDiffuser,air,aircraft Heating an
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAerospace Lighting Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-118-595441862 INTERCHANGEABLE
Gear,spur
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
1650-00-592-511821-10207 INTERCHANGEABLE
Filter Element,fluid
Transdigm Inc Div Aero Fluid Products
5325-00-804-73011653 INTERCHANGEABLE
Ring,retaining
Dresser Industries Inc Leroi Div
6105-00-977-344441862 INTERCHANGEABLE
Parts Kit,electric Motor
Cunico Corporation
Cross-Reference Index
Part NumberManufacturer
CDSP4500-501-A Safran Cabin Inc Dba C & D Zodiac Inc (USA)
4186-2 PRIMARY Aerospace Lighting Corporation (USA)
Related Parts
3020-00-118-5954INTERCHANGEABLE
GEAR,SPUR
41862
1650-00-592-5118INTERCHANGEABLE
FILTER ELEMENT,FLUID
21-10207
5325-00-804-7301INTERCHANGEABLE
RING,RETAINING
1653
6105-00-977-3444INTERCHANGEABLE
PARTS KIT,ELECTRIC MOTOR
41862

Frequently Asked Questions

What is NSN 1660-01-564-7127?

NSN 1660-01-564-7127 is a Diffuser,air,aircraft Heating an, manufactured by Aerospace Lighting Corporation, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-564-7127?

NSN 1660-01-564-7127 has 2 cross-referenced part numbers: CDSP4500-501-A (Safran Cabin Inc Dba C & D Zodiac Inc), 4186-2 (Aerospace Lighting Corporation).

What NSN replaces 1660-01-564-7127?

There are 4 known substitutes for 1660-01-564-7127: 3020-00-118-5954, 1650-00-592-5118, 5325-00-804-7301 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4186-2?

Key specifications for 4186-2: Part Name Assigned by Controlling Agency: AIR OUTLET ASSEMBLY; End Item Identification: AIRCRAFT, EMBRAER ERJ145LR AND ERJ135LR. 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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