PartsTable TECHNICAL DATA SHEET
NSN 2990-01-369-2079Government record, cited

Muffler, Exhaust2990-01-369-2079

NSN 2990-01-369-2079 · NIIN 013692079 · Part number 88-21959
Department of Defense Project Manager-Mobile Electric Power · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 30554
Government record, cited
NSN 2990-01-369-2079 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-369-2079. Manufacturer of record part number: 88-21959.
Also searched as  2990-01-369-2079 · 2990013692079 · NIIN 013692079 · 01-369-2079 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 30554 · 88-21959
Nearby stock numbers  ·
Features
  • Muffler,exhaust — FSC 2990
  • Operating Position: UNIVERSAL
  • Coolant Type: AIR
  • Inlet Flange Mounting Provision Thread Direction: RIGHT-HAND SINGLE INLET
  • Design Type: DRY
  • Baffle Quantity: 2
  • 1 manufacturer part number on file
  • Manufacturer of record: Department of Defense Project Manager-Mobile Electric Power
Identification
  • NSN: 2990-01-369-2079
  • NIIN: 013692079
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 88-21959
  • Manufacturer: Department of Defense Project Manager-Mobile Electric Power
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-369-2079, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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
NSN2990-01-369-2079
Primary Part Number88-21959
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerDepartment of Defense Project Manager-Mobile Electric Power
StatusACTIVE
Operating PositionUNIVERSAL
Coolant TypeAIR
Inlet Flange Mounting Provision Thread DirectionRIGHT-HAND SINGLE INLET
Design TypeDRY
Baffle Quantity2
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
88-21959 PRIMARY Department of Defense Project Manager-Mobile Electric Power (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.
2990-00-001-0001
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 2990-01-369-2079?

NSN 2990-01-369-2079 is a Muffler,exhaust, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-369-2079?

NSN 2990-01-369-2079 has 1 manufacturer part number on file: 88-21959 (Department of Defense Project Manager-Mobile Electric Power).

What are the specifications of 88-21959?

Key specifications for 88-21959: Operating Position: UNIVERSAL; Coolant Type: AIR; Inlet Flange Mounting Provision Thread Direction: RIGHT-HAND SINGLE INLET; Design Type: DRY. 5 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-369-2079 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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