PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-6044Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-341-4052 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-341-4052 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-341-4052. Primary manufacturer part number: T-6044.
Features
  • Muffler,exhaust — FSC 2990
  • Outlet Thread Direction: RIGHT-HAND FIRST OUTLET
  • Coolant Type: AIR
  • FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT
  • Inlet Location: CENTRALLY IN END SECTION OF BODY
  • Outlet Thread Size: 1-1/2-11-1/2 FIRST OUTLET
  • Operating Position: UNIVERSAL
  • Inlet Connection Type: THREADED SINGLE INLET
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-341-4052, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN2990-00-341-4052
Primary Part NumberT-6044
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusCANCELLED
Outlet Thread DirectionRIGHT-HAND FIRST OUTLET
Coolant TypeAIR
FSC Application DataGASOLINE ENGINE,NONAIRCRAFT
Inlet LocationCENTRALLY IN END SECTION OF BODY
Outlet Thread Size1-1/2-11-1/2 FIRST OUTLET
Operating PositionUNIVERSAL
Inlet Connection TypeTHREADED SINGLE INLET
Design TypeDRY
Body ShapeROUND
Inlet Thread Size1-1/2-11-1/2 SINGLE INLET
Outlet LocationCENTRALLY IN END SECTION OF BODY
Outlet Connection TypeTHREADED FIRST OUTLET
Muffler DesignSTRAIGHT THROUGH
Inlet Thread LocationINTERNAL SINGLE INLET
Overall Diameter3.500 INCHES NOMINAL IN
Outlet Projection Length0.312 INCHES MINIMUM AND 0.438 INCHES MAXIMUM FIRST OUTLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Inlet Projection Length0.312 INCHES MINIMUM AND 0.438 INCHES MAXIMUM SINGLE INLET IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2805-00-146-7141 INTERCHANGEABLE
Cord Assy
4730-00-270-390113229E0854 INTERCHANGEABLE
Chuck,air,inflating
Cecom Lr Center
5330-00-291-2943T57-4 INTERCHANGEABLE
Felt,mechanical,preformed
Zenith Fuel Systems Llc
2815-00-338-7853 INTERCHANGEABLE
Bracket,rocker Arm Engine Poppet
3120-00-349-4332006044 INTERCHANGEABLE
Bushing,sleeve
Eaton Aerospace, Llc Dba Jackson South
5950-00-645-3919N215672-6 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon Co
5310-00-680-53226044 INTERCHANGEABLE
Nut,plain,hexagon
Gc/waldom Inc
4730-00-702-6761604-4 INTERCHANGEABLE
Coupling,clamp,pipe
Gny Equipment, Inc.
5935-00-716-71241371A INTERCHANGEABLE
Adapter,connector
Sv Microwave, Inc. Div Sv Microwave
5120-00-867-5517 INTERCHANGEABLE
Adapter,torque Wrench
Cross-Reference Index
Part NumberManufacturer
PY91-250 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
PY91P-00250 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
102-1424-2 Rexworks Inc (USA)
6044 Cummins Filtration Inc. (USA)
T-6044 PRIMARY Cummins Filtration Inc. (USA)
Related Parts
2805-00-146-7141INTERCHANGEABLE
CORD ASSY
4730-00-270-3901INTERCHANGEABLE
CHUCK,AIR,INFLATING
13229E0854
5330-00-291-2943INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
T57-4
2815-00-338-7853INTERCHANGEABLE
BRACKET,ROCKER ARM ENGINE POPPET
3120-00-349-4332INTERCHANGEABLE
BUSHING,SLEEVE
006044
5950-00-645-3919INTERCHANGEABLE
COIL,RADIO FREQUENCY
N215672-6
5310-00-680-5322INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6044
4730-00-702-6761INTERCHANGEABLE
COUPLING,CLAMP,PIPE
604-4
5935-00-716-7124INTERCHANGEABLE
ADAPTER,CONNECTOR
1371A
5120-00-867-5517INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5940-00-949-8312INTERCHANGEABLE
TERMINAL BOARD
604 JJ 04
5975-01-034-3438INTERCHANGEABLE
PROTECTOR,ELECTRICAL CABLE

Frequently Asked Questions

What is NSN 2990-00-341-4052?

NSN 2990-00-341-4052 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 2990-00-341-4052?

NSN 2990-00-341-4052 has 5 cross-referenced part numbers: PY91-250 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), PY91P-00250 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 102-1424-2 (Rexworks Inc), 6044 (Cummins Filtration Inc.), T-6044 (Cummins Filtration Inc.).

What NSN replaces 2990-00-341-4052?

There are 12 known substitutes for 2990-00-341-4052: 2805-00-146-7141, 4730-00-270-3901, 5330-00-291-2943 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-6044?

Key specifications for T-6044: Outlet Thread Direction: RIGHT-HAND FIRST OUTLET; Coolant Type: AIR; FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT; Inlet Location: CENTRALLY IN END SECTION OF BODY. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-341-4052 still in active supply?

NSN 2990-00-341-4052 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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