PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40927-1Diffuser,air,aircraft Heating an

Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. · NSN 1660-01-325-9843 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-325-9843 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-325-9843. Primary manufacturer part number: 40927-1.
Features
  • Diffuser,air,aircraft Heating an — FSC 1660
  • 3 verified cross-references
  • Primary manufacturer: Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, 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 1660-01-325-9843, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-325-9843
Primary Part Number40927-1
Item NameDiffuser,air,aircraft Heating an
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMeggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1615-01-113-0222723104A INTERCHANGEABLE
Shroud,transmission
Hamilton Sundstrand Corporation
1615-01-113-0223723102A INTERCHANGEABLE
Diffuser,transmissi
Hamilton Sundstrand Corporation
1615-01-113-0224730737 INTERCHANGEABLE
Impeller Assy,trans
Hamilton Sundstrand Corporation
6110-01-139-6036 INTERCHANGEABLE
Contactor,magnetic
4140-01-326-072240928-1 INTERCHANGEABLE
Impeller,fan,centrifugal
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
4140-01-326-072340926-1 INTERCHANGEABLE
Housing,centrifugal Fan
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
40927-1 PRIMARY Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
145DS106-12 The Boeing Company (USA)
145DS106 The Boeing Company (USA)
Related Parts
1615-01-113-0222INTERCHANGEABLE
SHROUD,TRANSMISSION
723104A
1615-01-113-0223INTERCHANGEABLE
DIFFUSER,TRANSMISSI
723102A
1615-01-113-0224INTERCHANGEABLE
IMPELLER ASSY,TRANS
730737
6110-01-139-6036INTERCHANGEABLE
CONTACTOR,MAGNETIC
4140-01-326-0722INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
40928-1
4140-01-326-0723INTERCHANGEABLE
HOUSING,CENTRIFUGAL FAN
40926-1

Frequently Asked Questions

What is NSN 1660-01-325-9843?

NSN 1660-01-325-9843 is a Diffuser,air,aircraft Heating an, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-325-9843?

NSN 1660-01-325-9843 has 3 cross-referenced part numbers: 40927-1 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 145DS106-12 (The Boeing Company), 145DS106 (The Boeing Company).

What NSN replaces 1660-01-325-9843?

There are 6 known substitutes for 1660-01-325-9843: 1615-01-113-0222, 1615-01-113-0223, 1615-01-113-0224 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40927-1?

Key specifications for 40927-1: End Item Identification: CH-47D,HELICOPTER,CARGO. 1 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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