PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-8656Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-192-9203 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-192-9203 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-192-9203. Primary manufacturer part number: T-8656.
Features
  • Muffler,exhaust — FSC 2990
  • Muffler Design: STRAIGHT THROUGH W/BAFFLE
  • Overall Diameter: 5.000 INCHES NOMINAL IN
  • Baffle Quantity: 1
  • Inlet Location: LOCATED ON SIDE OF BODY
  • Outlet Location: LOCATED ON SIDE OF BODY
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Outlet Inside Diameter: 1.900 INCHES NOMINAL FIRST OUTLET IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-192-9203, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-192-9203
Primary Part NumberT-8656
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Muffler DesignSTRAIGHT THROUGH W/BAFFLE
Overall Diameter5.000 INCHES NOMINAL IN
Baffle Quantity1
Inlet LocationLOCATED ON SIDE OF BODY
Outlet LocationLOCATED ON SIDE OF BODY
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Inside Diameter1.900 INCHES NOMINAL FIRST OUTLET IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Inlet LocationLOCATED ON SIDE OF BODY
Coolant TypeAIR
Baffle Quantity1
Outlet Inside Diameter1.900 INCHES NOMINAL FIRST OUTLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Inlet Inside Diameter1.900 INCHES NOMINAL SINGLE INLET IN
Operating PositionUNIVERSAL
Muffler DesignSTRAIGHT THROUGH W/BAFFLE
Design TypeDRY
Body ShapeROUND
Outlet LocationLOCATED ON SIDE OF BODY
Overall Diameter5.000 INCHES NOMINAL IN
Inlet Inside Diameter1.900 INCHES NOMINAL SINGLE INLET IN
Coolant TypeAIR
Design TypeDRY
Operating PositionUNIVERSAL
Inlet Connection TypeUNTHREADED SINGLE INLET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-259-834124629 INTERCHANGEABLE
Switch,toggle
Naval Ship Systems Command
5360-00-359-8645 INTERCHANGEABLE
Spring,tension
2010-00-499-24778656 INTERCHANGEABLE
Plate,floating
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5985-00-549-1288 INTERCHANGEABLE
Attenuator,fixed
5905-00-551-9220137-802-5019 INTERCHANGEABLE
Resistor,thermal
Northrop Grumman Systems Corporation
5950-00-864-4663617226-9 INTERCHANGEABLE
Transformer,power Autotransforme
Lockheed Martin Corp
5950-01-020-652210548787 INTERCHANGEABLE
Reactor
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2010-01-141-3488 INTERCHANGEABLE
Propeller,marine
7510-01-315-86568656 INTERCHANGEABLE
Tab,signal
Safina Office Products, Inc. Dba Safina Office Products Inc
4820-01-351-29788656 ITEM 6 INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
Cross-Reference Index
Part NumberManufacturer
T-8656 PRIMARY Cummins Filtration Inc. (USA)
ABT8656 Ar Bee Corp (USA)
8656 Cummins Filtration Inc. (USA)
137802 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
001137802 Tvh Parts Co. (USA)
137802 Hyster-Yale Group, Inc. (USA)
001137802 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
ABT8656 Brighton Cromwell Llc (USA)
Related Parts
5930-00-259-8341INTERCHANGEABLE
SWITCH,TOGGLE
24629
5360-00-359-8645INTERCHANGEABLE
SPRING,TENSION
2010-00-499-2477INTERCHANGEABLE
PLATE,FLOATING
8656
5985-00-549-1288INTERCHANGEABLE
ATTENUATOR,FIXED
5905-00-551-9220INTERCHANGEABLE
RESISTOR,THERMAL
137-802-5019
5950-00-864-4663INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
617226-9
5950-01-020-6522INTERCHANGEABLE
REACTOR
10548787
2010-01-141-3488INTERCHANGEABLE
PROPELLER,MARINE
7510-01-315-8656INTERCHANGEABLE
TAB,SIGNAL
8656
4820-01-351-2978INTERCHANGEABLE
SEAT,VALVE
8656 ITEM 6
1680-01-449-2870INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
8656
1680-01-475-5853INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
8656

Frequently Asked Questions

What is NSN 2990-00-192-9203?

NSN 2990-00-192-9203 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-192-9203?

NSN 2990-00-192-9203 has 8 cross-referenced part numbers: T-8656 (Cummins Filtration Inc.), ABT8656 (Ar Bee Corp), 8656 (Cummins Filtration Inc.), 137802 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 001137802 (Tvh Parts Co.) and 3 more.

What NSN replaces 2990-00-192-9203?

There are 12 known substitutes for 2990-00-192-9203: 5930-00-259-8341, 5360-00-359-8645, 2010-00-499-2477 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-8656?

Key specifications for T-8656: Muffler Design: STRAIGHT THROUGH W/BAFFLE; Overall Diameter: 5.000 INCHES NOMINAL IN; Baffle Quantity: 1; Inlet Location: LOCATED ON SIDE OF BODY. 26 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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