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NSN 1650-01-325-2566Government record, cited

Cooler, Hydraulic Oil, Aircraft1650-01-325-2566

NSN 1650-01-325-2566 · NIIN 013252566 · Part number 738051
Rtx Corporation Div Pratt & Whitney · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 55820
Government record, cited
NSN 1650-01-325-2566 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-325-2566. Manufacturer of record part number: 738051.
Also searched as  1650-01-325-2566 · 1650013252566 · NIIN 013252566 · 01-325-2566 · FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 55820 · 738051
Nearby stock numbers  ·
Features
  • Cooler,hydraulic Oil,aircraft — FSC 1650
  • Core Shape: ELLIPTICAL
  • Inclosure Drain Type: VERTICAL
  • Core Type: TUBULAR
  • 1 manufacturer part number on file
  • Manufacturer of record: Rtx Corporation Div Pratt & Whitney
Identification
  • NSN: 1650-01-325-2566
  • NIIN: 013252566
  • FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 738051
  • Manufacturer: Rtx Corporation Div Pratt & Whitney
General Description

The Cooler,hydraulic Oil,aircraft, cataloged under National Stock Number 1650-01-325-2566, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 3 specifications, 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
NSN1650-01-325-2566
Primary Part Number738051
Item NameCooler,hydraulic Oil,aircraft
FSC / FSG1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
Core ShapeELLIPTICAL
Inclosure Drain TypeVERTICAL
Core TypeTUBULAR
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
738051 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
No interchangeability data on file.
Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-011-0886
1650-00-011-0886 · Item name not on file
1650-00-013-3761
SLIDE,SELECTOR
1650-00-059-7742
PARTS KIT,SEAL REPLACEMENT,MECHA
1650-00-101-7836
CLIP,RETURN PLATE
1650-00-138-2779
FILTERING DISK,FLUID
1650-00-162-3907
PARTS KIT,LINEAR ACTUATING CYLIN
1650-00-594-3500
DISK,VALVE
1650-00-658-8056
PARTS KIT,VALVE

Frequently Asked Questions

What is NSN 1650-01-325-2566?

NSN 1650-01-325-2566 is a Cooler,hydraulic Oil,aircraft, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.

What part numbers are listed for NSN 1650-01-325-2566?

NSN 1650-01-325-2566 has 1 manufacturer part number on file: 738051 (Rtx Corporation Div Pratt & Whitney).

What are the specifications of 738051?

Key specifications for 738051: Overall Height: 4.120 INCHES NOMINAL IN; Core Shape: ELLIPTICAL; Inclosure Drain Type: VERTICAL; Overall Length: 16.179 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 1650-01-325-2566 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 1650-01-325-2566?

NSN 1650-01-325-2566 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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