PartsTable TECHNICAL DATA SHEET

NSN 2990-01-292-7901Government record, cited

Diffuser, Turbocharg2990-01-292-7901

NSN 2990-01-292-7901 · NIIN 012927901 · Part number 454-79000

Brown Boveri and Cie Ag · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE S3771

Government record, cited

NSN 2990-01-292-7901 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-292-7901. Manufacturer of record part number: 454-79000.

Also searched as 2990-01-292-7901 · 2990012927901 · NIIN 012927901 · 01-292-7901 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE S3771 · 454-79000

Nearby stock numbers ← 2990-01-292-7899 Ring, Intermediary · 2990-01-292-7963 Muffler, Exhaust →

Features

Diffuser,turbocharg — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Brown Boveri and Cie Ag

Identification

NSN: 2990-01-292-7901
NIIN: 012927901
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 454-79000
Manufacturer: Brown Boveri and Cie Ag

General Description

The Diffuser,turbocharg, cataloged under National Stock Number 2990-01-292-7901, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Brown Boveri and Cie Ag. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Diffuser,turbocharg
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Brown Boveri and Cie Ag (CAGE S3771)

Technical Specifications

Parameter	Value
NSN	2990-01-292-7901
Primary Part Number	454-79000
Item Name	Diffuser,turbocharg
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Brown Boveri and Cie Ag
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

Part Number	Manufacturer
454-79000	Brown Boveri and Cie Ag (CHE)

Reference documents

Reference	Meaning
454-79000	3/2 Design control — primary reference U.S. Government activity

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 2990-01-292-7901?

NSN 2990-01-292-7901 is a Diffuser,turbocharg, manufactured by Brown Boveri and Cie Ag, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-292-7901?

NSN 2990-01-292-7901 has 1 manufacturer part number on file: 454-79000 (Brown Boveri and Cie Ag).

Is NSN 2990-01-292-7901 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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