Diffuser Assembly 2990-01-346-4297 NSN 2990-01-346-4297 · NIIN 013464297
FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories
Also searched as
2990-01-346-4297 ·
2990013464297 ·
NIIN 013464297 ·
01-346-4297 ·
FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · 8474956 · 40051266
Nearby stock numbers
← 2990-01-346-4218 Pipe, Exhaust
·
2990-01-346-4310 Cartridge Assembly, Supercharger →
Features
Diffuser Assembly — FSC 2990
Identification
NSN: 2990-01-346-4297
NIIN: 013464297
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
General Description
The Diffuser Assembly, cataloged under National Stock Number 2990-01-346-4297, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Diffuser Assembly FSC / FSG 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Technical Specifications
Parameter Value NSN 2990-01-346-4297 Item Name Diffuser Assembly FSC / FSG 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference Meaning
8474956
5/9 Secondary reference General Motors Corp Electro-Motive Div
40051266
3/9 Design control — primary reference General Motors Corp Electro-Motive Div
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 2990-01-346-4297?
NSN 2990-01-346-4297 is a Diffuser Assembly, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
Is NSN 2990-01-346-4297 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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