PartsTable TECHNICAL DATA SHEET
NSN 2990-01-678-3895Government record, cited

Heater, Coolant, Engine2990-01-678-3895

NSN 2990-01-678-3895 · NIIN 016783895 · Part number 12579784
Flyer Defense, Llc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 1RZR5
Government record, cited
NSN 2990-01-678-3895 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-678-3895. Manufacturer of record part number: 12579784.
Also searched as  2990-01-678-3895 · 2990016783895 · NIIN 016783895 · 01-678-3895 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 1RZR5 · 12579784
Nearby stock numbers  ·
Features
  • Heater,coolant,engine — FSC 2990
  • 1 manufacturer part number on file
  • Manufacturer of record: Flyer Defense, Llc
Identification
  • NSN: 2990-01-678-3895
  • NIIN: 016783895
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 12579784
  • Manufacturer: Flyer Defense, Llc
General Description

The Heater,coolant,engine, cataloged under National Stock Number 2990-01-678-3895, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Flyer Defense, Llc. 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
NSN2990-01-678-3895
Primary Part Number12579784
Item NameHeater,coolant,engine
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerFlyer 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
12579784 PRIMARY Flyer Defense, Llc (USA)
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-096-8607
CONTROL ASSEMBLY,PUSH-PULL
2990-00-390-3445
CRANK,HAND,VEHICULAR
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-536-2962
BLOCK,ADJUSTING SCREW
2990-00-903-8226
MUFFLER,EXHAUST
2990-01-151-5443
CONNECTOR,EXHAUST PIPE
2990-01-151-5443
CONNECTOR,EXHAUST PIPE

Frequently Asked Questions

What is NSN 2990-01-678-3895?

NSN 2990-01-678-3895 is a Heater,coolant,engine, manufactured by Flyer Defense, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-678-3895?

NSN 2990-01-678-3895 has 1 manufacturer part number on file: 12579784 (Flyer Defense, Llc).

What are the specifications of 12579784?

Key specifications for 12579784: Special Features: NHA-MODULAR, MOBILE, MISSION-READY VEHICLE; Part Name Assigned by Controlling Agency: HEATER, COOLANT, ENGINE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-678-3895 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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