PartsTable TECHNICAL DATA SHEET

NSN 2990-01-727-4552Government record, cited

Muffler, Exhaust2990-01-727-4552

NSN 2990-01-727-4552 · NIIN 017274552 · Part number A22-110350

Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 09GG9

Government record, cited

NSN 2990-01-727-4552 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-727-4552. Manufacturer of record part number: A22-110350.

Also searched as 2990-01-727-4552 · 2990017274552 · NIIN 017274552 · 01-727-4552 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 09GG9 · A22-110350 · A22-11035

Nearby stock numbers ← 2990-01-727-4321 Parts Kit, Turbo Supercharger · 2990-01-727-4561 Vacuum Bleed Filter, Emission Con →

Features

Muffler,exhaust — FSC 2990
Inlet Outside Diameter: 8.000 INCHES NOMINAL SINGLE INLET IN
Coolant Type: WATER
Inlet Projection Length: 8.000 INCHES NOMINAL FIRST INLET IN
Outlet Outside Diameter: 8.000 INCHES NOMINAL SINGLE INLET IN
Body Shape: IRREGULAR
Inlet Inside Diameter: 8.000 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length: 8.000 INCHES NOMINAL SINGLE INLET IN

Identification

NSN: 2990-01-727-4552
NIIN: 017274552
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: A22-110350
Manufacturer: Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-727-4552, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-727-4552
Primary Part Number	A22-110350
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc
Status	ACTIVE
Inlet Outside Diameter	8.000 INCHES NOMINAL SINGLE INLET IN
Coolant Type	WATER
Inlet Projection Length	8.000 INCHES NOMINAL FIRST INLET IN
Outlet Outside Diameter	8.000 INCHES NOMINAL SINGLE INLET IN
Body Shape	IRREGULAR
Inlet Inside Diameter	8.000 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length	8.000 INCHES NOMINAL SINGLE INLET IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
A22-110350 PRIMARY	Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc (USA)

Reference documents

Reference	Meaning
A22-11035	D/9 Drawing number reference only Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc

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 2990-01-727-4552?

NSN 2990-01-727-4552 is a Muffler,exhaust, manufactured by Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-727-4552?

NSN 2990-01-727-4552 has 1 manufacturer part number on file: A22-110350 (Deangelo Marine Exhaust, Inc. Dba Deangelo Marine Exhaust Inc).

What are the specifications of A22-110350?

Key specifications for A22-110350: Inlet Outside Diameter: 8.000 INCHES NOMINAL SINGLE INLET IN; Coolant Type: WATER; Inlet Projection Length: 8.000 INCHES NOMINAL FIRST INLET IN; Overall Length: 19.000 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-727-4552 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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