PartsTable TECHNICAL DATA SHEET
NSN 2930-01-555-5684Government record, cited

Xmsn Cooler2930-01-555-5684

NSN 2930-01-555-5684 · NIIN 015555684 · Part number 3698139
Oshkosh Defense Llc · FSC 2930 — Engine Cooling System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 75Q65
Government record, cited
NSN 2930-01-555-5684 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-555-5684. Manufacturer of record part number: 3698139.
Also searched as  2930-01-555-5684 · 2930015555684 · NIIN 015555684 · 01-555-5684 · FSC 2930 Engine Cooling System Components, Nonaircraft · CAGE 75Q65 · 3698139
Nearby stock numbers  ·
Features
  • Xmsn Cooler — FSC 2930
  • 1 manufacturer part number on file
  • Manufacturer of record: Oshkosh Defense Llc
Identification
  • NSN: 2930-01-555-5684
  • NIIN: 015555684
  • FSC: 2930 — Engine Cooling System Components, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 3698139
  • Manufacturer: Oshkosh Defense Llc
General Description

The Xmsn Cooler, cataloged under National Stock Number 2930-01-555-5684, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2930-01-555-5684
Primary Part Number3698139
Item NameXmsn Cooler
FSC / FSG2930 / 29 — Engine Cooling System Components, Nonaircraft
ManufacturerOshkosh Defense Llc
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
3698139 PRIMARY Oshkosh Defense Llc (USA)
Reference documents
ReferenceMeaning
3698139 5/9 Secondary reference
Oshkosh Corp
No interchangeability data on file.
Other items in FSC 2930 — Engine Cooling System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2930-00-000-3438
2930-00-000-3438 · Item name not on file
2930-00-001-3502
PARTS KIT,ENGINE WATER PUMP
2930-00-001-6288
2930-00-001-6288 · Item name not on file
2930-00-001-6299
PUMP,COOLING SYSTEM,ENGINE
2930-00-001-6300
PUMP,COOLING SYSTEM,ENGINE
2930-00-001-6301
PUMP,COOLING SYSTEM,ENGINE
2930-00-001-6302
CORE,RADIATOR
2930-00-001-7842
2930-00-001-7842 · Item name not on file

Frequently Asked Questions

What is NSN 2930-01-555-5684?

NSN 2930-01-555-5684 is a Xmsn Cooler, manufactured by Oshkosh Defense Llc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.

What part numbers are listed for NSN 2930-01-555-5684?

NSN 2930-01-555-5684 has 1 manufacturer part number on file: 3698139 (Oshkosh Defense Llc).

What are the specifications of 3698139?

Key specifications for 3698139: End Item Identification: MRAP - UNIQUE NSN - COUGAR JERRV 4X4 CAT I. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2930-01-555-5684 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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