PartsTable TECHNICAL DATA SHEET
NSN 1660-01-344-9784Government record, cited

Fuel, Heater1660-01-344-9784

NSN 1660-01-344-9784 · NIIN 013449784 · Part number 158670-3
Honeywell International Inc. Dba Honeywell · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 7X000
Government record, cited
NSN 1660-01-344-9784 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-344-9784. Manufacturer of record part number: 158670-3.
Also searched as  1660-01-344-9784 · 1660013449784 · NIIN 013449784 · 01-344-9784 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 7X000 · 158670-3
Nearby stock numbers  ·
Features
  • Fuel,heater — FSC 1660
  • 1 manufacturer part number on file
  • Manufacturer of record: Honeywell International Inc. Dba Honeywell
Identification
  • NSN: 1660-01-344-9784
  • NIIN: 013449784
  • FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 158670-3
  • Manufacturer: Honeywell International Inc. Dba Honeywell
General Description

The Fuel,heater, cataloged under National Stock Number 1660-01-344-9784, 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 Honeywell International Inc. Dba Honeywell. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-344-9784
Primary Part Number158670-3
Item NameFuel,heater
FSC / FSG1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
ManufacturerHoneywell International Inc. Dba Honeywell
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
158670-3 PRIMARY Honeywell International Inc. Dba Honeywell (USA)
No interchangeability data on file.
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH

Frequently Asked Questions

What is NSN 1660-01-344-9784?

NSN 1660-01-344-9784 is a Fuel,heater, manufactured by Honeywell International Inc. Dba Honeywell, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-344-9784?

NSN 1660-01-344-9784 has 1 manufacturer part number on file: 158670-3 (Honeywell International Inc. Dba Honeywell).

What are the specifications of 158670-3?

Key specifications for 158670-3: End Item Identification: C29 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-344-9784 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 1660-01-344-9784?

NSN 1660-01-344-9784 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.
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