NSN 2935-01-727-1977 · NIIN 017271977 · Part number 53545-1
L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems · FSC 2935 — Engine System Cooling Components, Aircraft Prime Moving · FSG 29 — Engine Accessories · CAGE 0GCL4
Government record, cited
NSN 2935-01-727-1977 — this item is cataloged by the U.S. Government under National Stock Number 2935-01-727-1977. Manufacturer of record part number: 53545-1.
Also searched as2935-01-727-1977 ·
2935017271977 ·
NIIN 017271977 ·
01-727-1977 ·
FSC 2935 Engine System Cooling Components, Aircraft Prime Moving · CAGE 0GCL4 · 53545-1
Manufacturer of record: L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems
Identification
NSN: 2935-01-727-1977
NIIN: 017271977
FSC: 2935 — Engine System Cooling Components, Aircraft Prime Moving
FSG: 29 — Engine Accessories
Primary part number: 53545-1
Manufacturer: L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems
General Description
The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2935-01-727-1977, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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
2935-01-727-1977
Primary Part Number
53545-1
Item Name
Cooler,lubricating Oil,engine
FSC / FSG
2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving
Manufacturer
L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems
Other items in FSC 2935 — Engine System Cooling Components, Aircraft Prime Moving
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2935-00-361-6502
2935-00-361-6502 · Item name not on file
2935-00-420-9902
MANIFOLD,FLUID COOLER
2935-00-442-5837
2935-00-442-5837 · Item name not on file
2935-00-442-5839
2935-00-442-5839 · Item name not on file
2935-00-757-7092
2935-00-757-7092 · Item name not on file
2935-00-861-0023
2935-00-861-0023 · Item name not on file
2935-00-874-8420
VALVE,OIL COOLER
2935-00-932-2487
COOLER,LUBRICATING OIL,ENGINE
Frequently Asked Questions
What is NSN 2935-01-727-1977?
NSN 2935-01-727-1977 is a Cooler,lubricating Oil,engine, manufactured by L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
What part numbers are listed for NSN 2935-01-727-1977?
NSN 2935-01-727-1977 has 2 manufacturer part numbers on file: 53545-1 (L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems), 53545-1 (Air Tractor, Inc.).
What are the specifications of 53545-1?
Key specifications for 53545-1: Length: 31.00 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 30LBS WEIGHT LBS; Height: 11.00 INCHES NOMINAL IN; Special Features: ITEM DESCRIPTION: A HEAT EXCHANGER USED TO MANAGE ENGINE OIL TEMPERATURE OF PRATT & WHITNEY PT6 DESIGNED TO REMOVE HEAT FROM LUBRICATING OIL TO LOWER ITS TEMPERATURE. 4 specifications are documented in the U.S. Government catalog.
Is NSN 2935-01-727-1977 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 2935-01-727-1977?
NSN 2935-01-727-1977 has DEMIL Code Q. 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.