PartsTable TECHNICAL DATA SHEET
NSN 2935-01-633-1843Government record, cited

Cooler, Marine Gear2935-01-633-1843

NSN 2935-01-633-1843 · NIIN 016331843 · Part number 23504773
Rolls-Royce Solutions America Inc · FSC 2935 — Engine System Cooling Components, Aircraft Prime Moving · FSG 29 — Engine Accessories · CAGE 72582
Government record, cited
NSN 2935-01-633-1843 — this item is cataloged by the U.S. Government under National Stock Number 2935-01-633-1843. Manufacturer of record part number: 23504773.
Also searched as  2935-01-633-1843 · 2935016331843 · NIIN 016331843 · 01-633-1843 · FSC 2935 Engine System Cooling Components, Aircraft Prime Moving · CAGE 72582 · 23504773
Nearby stock numbers  ·
Features
  • Cooler,marine Gear — FSC 2935
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Rolls-Royce Solutions America Inc
Identification
  • NSN: 2935-01-633-1843
  • NIIN: 016331843
  • FSC: 2935 — Engine System Cooling Components, Aircraft Prime Moving
  • FSG: 29 — Engine Accessories
  • Primary part number: 23504773
  • Manufacturer: Rolls-Royce Solutions America Inc
General Description

The Cooler,marine Gear, cataloged under National Stock Number 2935-01-633-1843, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Rolls-Royce Solutions America Inc. 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
ParameterValue
NSN2935-01-633-1843
Primary Part Number23504773
Item NameCooler,marine Gear
FSC / FSG2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
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
23504773 PRIMARY Rolls-Royce Solutions America Inc (USA)
23504773 Diesel Specialists, L.l.c. Dba Diesel Parts Direct (USA)
No interchangeability data on file.
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 2935-01-633-1843?

NSN 2935-01-633-1843 is a Cooler,marine Gear, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.

What part numbers are listed for NSN 2935-01-633-1843?

NSN 2935-01-633-1843 has 2 manufacturer part numbers on file: 23504773 (Rolls-Royce Solutions America Inc), 23504773 (Diesel Specialists, L.l.c. Dba Diesel Parts Direct).

What are the specifications of 23504773?

Key specifications for 23504773: Special Features: MTU DETROIT DIESEL HEAT EXCHANGER OIL COOLER,MARINE REPLACEMENT TYPE:COPPER-NICKEL CORE, 4 IN DIA: 12 INCH LONG IN; End Item Identification: DIESEL HEAT EXCHANGER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2935-01-633-1843 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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