PartsTable TECHNICAL DATA SHEET
NSN 2990-01-371-8983Government record, cited

Combustion Chamber, Heater Coolan2990-01-371-8983

NSN 2990-01-371-8983 · NIIN 013718983 · Part number L21582G01
General Electric Company · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 07482
Government record, cited
NSN 2990-01-371-8983 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-371-8983. Manufacturer of record part number: L21582G01.
Also searched as  2990-01-371-8983 · 2990013718983 · NIIN 013718983 · 01-371-8983 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 07482 · L21582G01 · 2990PL0843210
Nearby stock numbers  ·
Features
  • Combustion Chamber,heater Coolan — FSC 2990
  • 1 manufacturer part number on file
  • Manufacturer of record: General Electric Company
Identification
  • NSN: 2990-01-371-8983
  • NIIN: 013718983
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: L21582G01
  • Manufacturer: General Electric Company
General Description

The Combustion Chamber,heater Coolan, cataloged under National Stock Number 2990-01-371-8983, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is General Electric Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
NSN2990-01-371-8983
Primary Part NumberL21582G01
Item NameCombustion Chamber,heater Coolan
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerGeneral Electric Company
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
L21582G01 PRIMARY General Electric Company (USA)
Reference documents
ReferenceMeaning
2990PL0843210 6/9 Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
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.
2990-00-001-0001
BLOWER ASSEMBLY
2990-00-001-1248
2990-00-001-1248 · Item name not on file
2990-00-001-1250
2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
2990-00-001-3521
2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE

Frequently Asked Questions

What is NSN 2990-01-371-8983?

NSN 2990-01-371-8983 is a Combustion Chamber,heater Coolan, manufactured by General Electric Company, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-371-8983?

NSN 2990-01-371-8983 has 1 manufacturer part number on file: L21582G01 (General Electric Company).

What are the specifications of L21582G01?

Key specifications for L21582G01: End Item Identification: FFG GUIDED MISSILE FRIGATE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-371-8983 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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