PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45020Diffuser,air,aircraft Heating an

Hoosier, Inc. · NSN 1660-01-370-8625 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-370-8625 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-370-8625. Primary manufacturer part number: 45020.
Features
  • Diffuser,air,aircraft Heating an — FSC 1660
  • FSC Application Data: ACFT ECU SYSTEM
  • 3 verified cross-references
  • Primary manufacturer: Hoosier, Inc.
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 1660-01-370-8625, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hoosier, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1660-01-370-8625
Primary Part Number45020
Item NameDiffuser,air,aircraft Heating an
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoosier, Inc.
StatusCANCELLED
FSC Application DataACFT ECU SYSTEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
2520-00-080-63664045560 INTERCHANGEABLE
Torque Converter,vehicular
Funk Mfg Co Sub of Deere and Co
3455-00-224-364010190 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
3020-00-444-7215 INTERCHANGEABLE
Pulley,cone
5935-00-603-92244-5020 INTERCHANGEABLE
Connector,plug,electrical
Newport Scientific Inc Hygrodynamic Products Div
4310-01-130-4943 INTERCHANGEABLE
Filter Screen,pump
3040-01-170-5437 INTERCHANGEABLE
Control Assembly,push-Pull
5945-01-220-2615 INTERCHANGEABLE
Solenoid,electrical
4910-01-230-5599 INTERCHANGEABLE
Magnetic Pickup,dynamometer
5120-01-431-2596 INTERCHANGEABLE
Socket,socket Wrench
3455-01-659-513345020 INTERCHANGEABLE
Cutter,milling,end
Morse Cutting Tools
Cross-Reference Index
Part NumberManufacturer
45020 PRIMARY Hoosier, Inc. (USA)
DAA3293P621-103 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
DAA3293P621-103 Hoosier, Inc. (USA)
Related Parts
2520-00-080-6366INTERCHANGEABLE
TORQUE CONVERTER,VEHICULAR
4045560
3455-00-224-3640INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10190
3020-00-444-7215INTERCHANGEABLE
PULLEY,CONE
5935-00-603-9224INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4-5020
4310-01-130-4943INTERCHANGEABLE
FILTER SCREEN,PUMP
3040-01-170-5437INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
5945-01-220-2615INTERCHANGEABLE
SOLENOID,ELECTRICAL
4910-01-230-5599INTERCHANGEABLE
MAGNETIC PICKUP,DYNAMOMETER
5120-01-431-2596INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3455-01-659-5133INTERCHANGEABLE
CUTTER,MILLING,END
45020

Frequently Asked Questions

What is NSN 1660-01-370-8625?

NSN 1660-01-370-8625 is a Diffuser,air,aircraft Heating an, manufactured by Hoosier, Inc., classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-01-370-8625?

NSN 1660-01-370-8625 has 3 cross-referenced part numbers: 45020 (Hoosier, Inc.), DAA3293P621-103 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), DAA3293P621-103 (Hoosier, Inc.).

What NSN replaces 1660-01-370-8625?

There are 10 known substitutes for 1660-01-370-8625: 2520-00-080-6366, 3455-00-224-3640, 3020-00-444-7215 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45020?

Key specifications for 45020: End Item Identification: PACER SPECIAL; FSC Application Data: ACFT ECU SYSTEM. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1660-01-370-8625 still in active supply?

NSN 1660-01-370-8625 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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