Heat Exchanger, Air to Air, Aircra1660-01-541-3183
NSN 1660-01-541-3183 · NIIN 015413183 · Part number 4900555
Rtx Corporation Div Pratt & Whitney · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 55820
Government record, cited
NSN 1660-01-541-3183 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-541-3183. Manufacturer of record part number: 4900555.
Also searched as1660-01-541-3183 ·
1660015413183 ·
NIIN 015413183 ·
01-541-3183 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 55820 · 4900555 · 6661G5
Nearby stock numbers← 1660-01-541-2431 Duct Assembly, Air Conditioning-H
·
1660-01-541-3411 Separator, Water, Aircraft Air Con →
Features
Heat Exchanger,air to Air,aircra — FSC 1660
2 manufacturer part numbers on file
Manufacturer of record: Rtx Corporation Div Pratt & Whitney
Identification
NSN: 1660-01-541-3183
NIIN: 015413183
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 4900555
Manufacturer: Rtx Corporation Div Pratt & Whitney
General Description
The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-541-3183, 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 Rtx Corporation Div Pratt & Whitney. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-541-3183
Primary Part Number
4900555
Item Name
Heat Exchanger,air to Air,aircra
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
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 1660-01-541-3183?
NSN 1660-01-541-3183 is a Heat Exchanger,air to Air,aircra, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-541-3183?
NSN 1660-01-541-3183 has 2 manufacturer part numbers on file: 4900555 (Rtx Corporation Div Pratt & Whitney), 6661G5 (Boyd Corporation (woburn) Inc).
What are the specifications of 4900555?
Key specifications for 4900555: Special Features: U/O NSN 4310-01-513-8110; Part Name Assigned by Controlling Agency: HEAT EXCHANGER, FIRST & SECOND STAGE; End Item Identification: C-17 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-541-3183 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.