PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

461.356-8Muffler,exhaust

Volvo Penta of the Americas Inc · NSN 2990-01-184-7108 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-184-7108 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-184-7108. Primary manufacturer part number: 461.356-8.
Features
  • Muffler,exhaust — FSC 2990
  • Body Shape: OVAL
  • Inlet Inside Diameter: 2.000 INCHES NOMINAL SINGLE INLET IN
  • Inlet Location: LOCATED ON SIDE SECTION OF BODY
  • Outlet Location: LOCATED ON SIDE SECTION OF BODY
  • Inlet Connection Type: UNTHREADED SINGLE INLET
  • Outlet Connection Type: UNTHREADED FIRST OUTLET
  • Outlet Inside Diameter: 2.000 INCHES NOMINAL FIRST OUTLET IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-184-7108, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Volvo Penta of the Americas Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-184-7108
Primary Part Number461.356-8
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerVolvo Penta of the Americas Inc
StatusACTIVE
Body ShapeOVAL
Inlet Inside Diameter2.000 INCHES NOMINAL SINGLE INLET IN
Inlet LocationLOCATED ON SIDE SECTION OF BODY
Outlet LocationLOCATED ON SIDE SECTION OF BODY
Inlet Connection TypeUNTHREADED SINGLE INLET
Outlet Connection TypeUNTHREADED FIRST OUTLET
Outlet Inside Diameter2.000 INCHES NOMINAL FIRST OUTLET IN
Coolant TypeAIR
Design TypeDRY
Operating PositionHORIZONTAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-107-7555 INTERCHANGEABLE
Bearing,ball,annular
5315-00-244-39051K3617 INTERCHANGEABLE
Pin,straight,headed
Caterpillar Inc Div Caterpillar Defense
1560-00-307-638721826 INTERCHANGEABLE
Plate,cover,metal W
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
6685-00-422-182521-826 INTERCHANGEABLE
Armature Assembly,thermostat
Horizon Aerospace Llc Dba Magnetics Division
5950-00-434-9095902C7610-03-020 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
6125-00-635-152521826 INTERCHANGEABLE
Motor-Generator Assembly
Naval Ship Systems Command
5935-00-989-0884MS3105-18 INTERCHANGEABLE
Dummy Connector,receptacle
Sae International Dba Sae International
5940-01-089-2541 INTERCHANGEABLE
Terminal,quick Disconnect
5355-01-418-038521826 INTERCHANGEABLE
Mask,dial
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
461.356-8 PRIMARY Volvo Penta of the Americas Inc (USA)
21826 PRIMARY Walker Mfg Co (USA)
Related Parts
3110-00-107-7555INTERCHANGEABLE
BEARING,BALL,ANNULAR
5315-00-244-3905INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1K3617
1560-00-307-6387INTERCHANGEABLE
PLATE,COVER,METAL W
21826
6685-00-422-1825INTERCHANGEABLE
ARMATURE ASSEMBLY,THERMOSTAT
21-826
5950-00-434-9095INTERCHANGEABLE
TRANSFORMER,POWER
902C7610-03-020
6125-00-635-1525INTERCHANGEABLE
MOTOR-GENERATOR ASSEMBLY
21826
5935-00-989-0884INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
MS3105-18
5940-01-089-2541INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
5355-01-418-0385INTERCHANGEABLE
MASK,DIAL
21826

Frequently Asked Questions

What is NSN 2990-01-184-7108?

NSN 2990-01-184-7108 is a Muffler,exhaust, manufactured by Volvo Penta of the Americas Inc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-184-7108?

NSN 2990-01-184-7108 has 2 cross-referenced part numbers: 461.356-8 (Volvo Penta of the Americas Inc), 21826 (Walker Mfg Co).

What NSN replaces 2990-01-184-7108?

There are 9 known substitutes for 2990-01-184-7108: 3110-00-107-7555, 5315-00-244-3905, 1560-00-307-6387 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 461.356-8?

Key specifications for 461.356-8: Overall Width: 11.000 INCHES NOMINAL IN; Body Shape: OVAL; Inlet Inside Diameter: 2.000 INCHES NOMINAL SINGLE INLET IN; Inlet Location: LOCATED ON SIDE SECTION OF BODY. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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