PartsTable TECHNICAL DATA SHEET
NSN 1660-01-147-6612Government record, cited

Scroll Housing, Aircraft Cooling1660-01-147-6612

NSN 1660-01-147-6612 · NIIN 011476612 · Part number 3018503CL18
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 00198
Government record, cited
NSN 1660-01-147-6612 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-147-6612. Manufacturer of record part number: 3018503CL18.
Also searched as  1660-01-147-6612 · 1660011476612 · NIIN 011476612 · 01-147-6612 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 00198 · 3018503CL18
Nearby stock numbers  ·
Features
  • Scroll Housing,aircraft Cooling — FSC 1660
  • Material: NICKEL ALLOY OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Identification
  • NSN: 1660-01-147-6612
  • NIIN: 011476612
  • FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 3018503CL18
  • Manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
General Description

The Scroll Housing,aircraft Cooling, cataloged under National Stock Number 1660-01-147-6612, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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
NSN1660-01-147-6612
Primary Part Number3018503CL18
Item NameScroll Housing,aircraft Cooling
FSC / FSG1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
MaterialNICKEL ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3018503CL18 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
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 1660-01-147-6612?

NSN 1660-01-147-6612 is a Scroll Housing,aircraft Cooling, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-147-6612?

NSN 1660-01-147-6612 has 1 manufacturer part number on file: 3018503CL18 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What are the specifications of 3018503CL18?

Key specifications for 3018503CL18: Special Features: 8.636 IN. TO 8.686 IN. FREE DIA; SLOT 0.620 IN. TO 0.630 IN. WD IN; End Item Identification: 2835011444752; Material: NICKEL ALLOY OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 1660-01-147-6612 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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