PartsTable TECHNICAL DATA SHEET
NSN 1660-01-717-3783Government record, cited

Core Assembly, Heat Exchanger, Air1660-01-717-3783

NSN 1660-01-717-3783 · NIIN 017173783 · Part number 06203-02031-113
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 78286
Government record, cited
NSN 1660-01-717-3783 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-717-3783. Manufacturer of record part number: 06203-02031-113.
Also searched as  1660-01-717-3783 · 1660017173783 · NIIN 017173783 · 01-717-3783 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 78286 · 06203-02031-113 · PL06203-02031
Nearby stock numbers  ·
Features
  • Core Assembly,heat Exchanger,air — FSC 1660
  • 1 manufacturer part number on file
  • Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Identification
  • NSN: 1660-01-717-3783
  • NIIN: 017173783
  • FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 06203-02031-113
  • Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description

The Core Assembly,heat Exchanger,air, cataloged under National Stock Number 1660-01-717-3783, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts
Item NameCore Assembly,heat Exchanger,air
FSC / FSG1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
ManufacturersSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286)
Technical Specifications
ParameterValue
NSN1660-01-717-3783
Primary Part Number06203-02031-113
Item NameCore Assembly,heat Exchanger,air
FSC / FSG1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1560-01-717-500006203-02031-107 POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
Possible match (shared part number)Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
1560-01-717-501006203-02031-105 POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
Possible match (shared part number)Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
1560-01-717-676106203-02031-104 POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
Possible match (shared part number)Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
1560-01-717-677906203-02031-110 POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
Possible match (shared part number)Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
1560-01-717-679506203-02031-111 POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
Possible match (shared part number)Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Cross-Reference Index
Part NumberManufacturer
06203-02031-113 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Reference documents
ReferenceMeaning
PL06203-02031 D/9 Drawing number reference only
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Related Parts
1560-01-717-5000POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
06203-02031-107
1560-01-717-5010POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
06203-02031-105
1560-01-717-6761POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
06203-02031-104
1560-01-717-6779POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
06203-02031-110
1560-01-717-6795POSSIBLE MATCH
CORE MATERIAL,CELLULAR,STRUCTURA
06203-02031-111

Frequently Asked Questions

What is NSN 1660-01-717-3783?

NSN 1660-01-717-3783 is a Core Assembly,heat Exchanger,air, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-717-3783?

NSN 1660-01-717-3783 has 1 manufacturer part number on file: 06203-02031-113 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What NSN replaces 1660-01-717-3783?

5 possible matches (shared part number, not a government interchangeability claim): 1560-01-717-5000, 1560-01-717-5010, 1560-01-717-6761. Verify interchangeability with system specifications before substitution.

Is NSN 1660-01-717-3783 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.

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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