PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-3198Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-293-6841 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-293-6841 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-293-6841. Primary manufacturer part number: T-3198.
Features
  • Muffler,exhaust — FSC 2990
  • Operating Position: HORIZONTAL
  • Muffler Design: MULTIPASS W/INTEGRAL SPARK ARRESTOR
  • Body Shape: ROUND
  • Design Type: JACKETED
  • Inlet Connection Type: UNTHREADED SINGLE INLET
  • Coolant Type: AIR
  • Tube Quantity: 2
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-293-6841, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-293-6841
Primary Part NumberT-3198
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusCANCELLED
Operating PositionHORIZONTAL
Muffler DesignMULTIPASS W/INTEGRAL SPARK ARRESTOR
Body ShapeROUND
Design TypeJACKETED
Inlet Connection TypeUNTHREADED SINGLE INLET
Coolant TypeAIR
Tube Quantity2
Overall Diameter8.060 INCHES NOMINAL IN
Baffle Quantity1
Outlet Inside Diameter2.015 INCHES NOMINAL FIRST OUTLET IN
Surface TreatmentPAINT
Outlet LocationON SIDE OF BODY 2-1/4 IN. FROM CENTER TO END OF BODY IN
Inlet Projection Length2.125 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length1.500 INCHES NOMINAL FIRST OUTLET IN
Inlet Inside Diameter2.015 INCHES NOMINAL SINGLE INLET IN
Inlet Outside Diameter2.135 INCHES NOMINAL SINGLE INLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Outside Diameter2.135 INCHES NOMINAL FIRST OUTLET IN
Inlet Location1/4 IN. C TO C FROM HORIZONTAL CENTER LINE IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-017-4645368-4505-2 INTERCHANGEABLE
Connector,receptacle,electrical
Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions
3110-00-100-07613198 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3040-00-218-11173198 INTERCHANGEABLE
Shaft,shouldered
Lebus International, Inc.
5310-00-262-479064854H INTERCHANGEABLE
Washer,flat
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
3940-00-294-29603198 INTERCHANGEABLE
Adapter,hoisting
Allison Transmission Inc Dba Allison Transmission, Inc
3439-00-294-90103198 INTERCHANGEABLE
Soldering Iron,electric
Assembly Technologies International Inc.
4730-00-314-7754 INTERCHANGEABLE
Sleeve,flared,tube Fitting
3020-00-484-42673198 INTERCHANGEABLE
Gear,spur
Kearflex Engineering Company
4730-00-684-7441411-8S INTERCHANGEABLE
Adapter,straight,tube to Hose
Danfoss Power Solutions II, Llc
4730-00-811-2767 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Cross-Reference Index
Part NumberManufacturer
ABT3198 Ar Bee Corp (USA)
3198 Cummins Filtration Inc. (USA)
T-3198 PRIMARY Cummins Filtration Inc. (USA)
ABT3198 Brighton Cromwell Llc (USA)
Related Parts
5935-00-017-4645INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
368-4505-2
3110-00-100-0761INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3198
3040-00-218-1117INTERCHANGEABLE
SHAFT,SHOULDERED
3198
5310-00-262-4790INTERCHANGEABLE
WASHER,FLAT
64854H
3940-00-294-2960INTERCHANGEABLE
ADAPTER,HOISTING
3198
3439-00-294-9010INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3198
4730-00-314-7754INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
3020-00-484-4267INTERCHANGEABLE
GEAR,SPUR
3198
4730-00-684-7441INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
411-8S
4730-00-811-2767INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
5310-00-964-7615INTERCHANGEABLE
WASHER,FLAT
3120-01-019-2505INTERCHANGEABLE
BEARING,WASHER,THRUST

Frequently Asked Questions

What is NSN 2990-00-293-6841?

NSN 2990-00-293-6841 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-293-6841?

NSN 2990-00-293-6841 has 4 cross-referenced part numbers: ABT3198 (Ar Bee Corp), 3198 (Cummins Filtration Inc.), T-3198 (Cummins Filtration Inc.), ABT3198 (Brighton Cromwell Llc).

What NSN replaces 2990-00-293-6841?

There are 12 known substitutes for 2990-00-293-6841: 5935-00-017-4645, 3110-00-100-0761, 3040-00-218-1117 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-3198?

Key specifications for T-3198: Operating Position: HORIZONTAL; Muffler Design: MULTIPASS W/INTEGRAL SPARK ARRESTOR; Body Shape: ROUND; Design Type: JACKETED. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-293-6841 still in active supply?

NSN 2990-00-293-6841 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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