PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-5557Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-983-4230 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-983-4230 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-983-4230. Primary manufacturer part number: T-5557.
Features
  • Muffler,exhaust — FSC 2990
  • Muffler Design: STRAIGHT THROUGH W/BAFFLE
  • Design Type: DRY
  • Operating Position: UNIVERSAL
  • Body Shape: ROUND
  • Overall Diameter: 4.625 INCHES NOMINAL IN
  • Inlet Location: LOCATED ON SIDE OF BODY
  • Outlet Location: CENTERED ON END OF BODY
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-983-4230, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN2990-00-983-4230
Primary Part NumberT-5557
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Muffler DesignSTRAIGHT THROUGH W/BAFFLE
Design TypeDRY
Operating PositionUNIVERSAL
Body ShapeROUND
Overall Diameter4.625 INCHES NOMINAL IN
Inlet LocationLOCATED ON SIDE OF BODY
Outlet LocationCENTERED ON END OF BODY
Outlet Connection TypeUNTHREADED FIRST OUTLET
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Surface TreatmentALUMINUM
Inlet Connection TypeUNTHREADED SINGLE INLET
Baffle Quantity1
Outlet Outside Diameter2.500 INCHES NOMINAL FIRST OUTLET IN
Inlet Inside Diameter2.525 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length5.750 INCHES NOMINAL FIRST OUTLET IN
Coolant TypeAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-061-1181 INTERCHANGEABLE
Electron Tube
3110-00-100-309211993 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Acf Industries Inc
6685-00-103-0450711615 INTERCHANGEABLE
Thermocouple,immersion
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5120-00-150-7346T555-7 INTERCHANGEABLE
Inserter,seal
Woodward Hrt Inc
5995-00-194-6667M429512-4 INTERCHANGEABLE
Cable Assembly,radio Frequency
General Electric Company
2805-00-213-83565557 INTERCHANGEABLE
Tappet,engine Poppet Valve
Mitsubishi Caterpillar Forklift America, Inc
3030-00-269-9713194T INTERCHANGEABLE
Belt,v
Gates Corporation
4510-00-483-8224 INTERCHANGEABLE
Drain,lavatory
6105-00-635-9089P28B9061 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Westinghouse Electric Corp
5330-01-124-5158557-00 INTERCHANGEABLE
Gasket
Pentair Filtration Solutions, Llc
Cross-Reference Index
Part NumberManufacturer
711615 Dana Off Highway Products, Llc (USA)
5557 Cummins Filtration Inc. (USA)
711615 Clark Equipment Co (USA)
T-5557 PRIMARY Cummins Filtration Inc. (USA)
ABT5557 Ar Bee Corp (USA)
ABT5557 Brighton Cromwell Llc (USA)
Related Parts
5960-00-061-1181INTERCHANGEABLE
ELECTRON TUBE
3110-00-100-3092INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
11993
6685-00-103-0450INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
711615
5120-00-150-7346INTERCHANGEABLE
INSERTER,SEAL
T555-7
5995-00-194-6667INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
M429512-4
2805-00-213-8356INTERCHANGEABLE
TAPPET,ENGINE POPPET VALVE
5557
3030-00-269-9713INTERCHANGEABLE
BELT,V
194T
4510-00-483-8224INTERCHANGEABLE
DRAIN,LAVATORY
6105-00-635-9089INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
P28B9061
5330-01-124-5158INTERCHANGEABLE
GASKET
557-00
6240-01-415-5581INTERCHANGEABLE
LAMP,INCANDESCENT
5557
7310-01-474-9097INTERCHANGEABLE
ADAPTER,DISPENSING,COFFEE URN
5557

Frequently Asked Questions

What is NSN 2990-00-983-4230?

NSN 2990-00-983-4230 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 2990-00-983-4230?

NSN 2990-00-983-4230 has 6 cross-referenced part numbers: 711615 (Dana Off Highway Products, Llc), 5557 (Cummins Filtration Inc.), 711615 (Clark Equipment Co), T-5557 (Cummins Filtration Inc.), ABT5557 (Ar Bee Corp) and 1 more.

What NSN replaces 2990-00-983-4230?

There are 12 known substitutes for 2990-00-983-4230: 5960-00-061-1181, 3110-00-100-3092, 6685-00-103-0450 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-5557?

Key specifications for T-5557: Muffler Design: STRAIGHT THROUGH W/BAFFLE; Design Type: DRY; Operating Position: UNIVERSAL; Body Shape: ROUND. 17 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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