PartsTable TECHNICAL DATA SHEET
NSN 2990-01-288-1976Government record, cited

Heater, Coolant, Engine2990-01-288-1976

NSN 2990-01-288-1976 · NIIN 012881976 · Part number W-8791
Webb Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 0A3W4
Government record, cited
NSN 2990-01-288-1976 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-288-1976. Manufacturer of record part number: W-8791.
Also searched as  2990-01-288-1976 · 2990012881976 · NIIN 012881976 · 01-288-1976 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 0A3W4 · W-8791 · 118328A · 118328A
Nearby stock numbers  ·
Features
  • Heater,coolant,engine — FSC 2990
  • Power Source for Which Designed: FUEL
  • Furnished Items and Quantity: 2 MOUNTING BRACKETS
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Webb Inc.
Identification
  • NSN: 2990-01-288-1976
  • NIIN: 012881976
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: W-8791
  • Manufacturer: Webb Inc.
General Description

The Heater,coolant,engine, cataloged under National Stock Number 2990-01-288-1976, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Webb Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-288-1976
Primary Part NumberW-8791
Item NameHeater,coolant,engine
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerWebb Inc.
StatusACTIVE
Power Source for Which DesignedFUEL
Furnished Items and Quantity2 MOUNTING BRACKETS
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
118328A Oshkosh Defense Llc (USA)
W-8791 PRIMARY Webb Inc. (USA)
Reference documents
ReferenceMeaning
118328A 5/9 Secondary reference
Oshkosh Corp
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 2990-01-288-1976?

NSN 2990-01-288-1976 is a Heater,coolant,engine, manufactured by Webb Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-288-1976?

NSN 2990-01-288-1976 has 2 manufacturer part numbers on file: 118328A (Oshkosh Defense Llc), W-8791 (Webb Inc.).

What are the specifications of W-8791?

Key specifications for W-8791: Power Source for Which Designed: FUEL; Special Features: 16.000 IN. LG IN; Furnished Items and Quantity: 2 MOUNTING BRACKETS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-288-1976 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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