PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-1026Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-358-5794 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-358-5794 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-358-5794. Primary manufacturer part number: T-1026.
Features
  • Muffler,exhaust — FSC 2990
  • Inlet Thread Series Designator: NPT SINGLE INLET
  • Outlet Thread Size: 1-1/2-11-1/2 FIRST OUTLET
  • Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
  • Outlet Projection Length: 2.312 INCHES NOMINAL FIRST OUTLET IN
  • Body Shape: ROUND
  • Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
  • 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 2990-00-358-5794, 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 19 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-358-5794
Primary Part NumberT-1026
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Inlet Thread Series DesignatorNPT SINGLE INLET
Outlet Thread Size1-1/2-11-1/2 FIRST OUTLET
Outlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Outlet Projection Length2.312 INCHES NOMINAL FIRST OUTLET IN
Body ShapeROUND
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Inlet Connection TypeTHREADED SINGLE INLET
Outlet Connection TypeTHREADED FIRST OUTLET
Design TypeDRY
Outlet Thread Series DesignatorNPT FIRST OUTLET
Inlet Thread LocationEXTERNAL SINGLE INLET
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Surface TreatmentPLASTIC POLYPROPYLENE
Inlet Thread Size1-1/2-11-1/2 SINGLE INLET
Operating PositionUNIVERSAL
Overall Diameter4.560 INCHES NOMINAL IN
Inlet Projection Length2.312 INCHES NOMINAL SINGLE INLET IN
Coolant TypeAIR
Outlet Thread DirectionRIGHT-HAND FIRST OUTLET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-01-092-596071026 INTERCHANGEABLE
Spring,helical,compression
Camar Corp.
Cross-Reference Index
Part NumberManufacturer
ABT1026 Brighton Cromwell Llc (USA)
T-1026 PRIMARY Cummins Filtration Inc. (USA)
ABT1026 Ar Bee Corp (USA)
1026 Cummins Filtration Inc. (USA)
Related Parts
5360-01-092-5960INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
71026

Frequently Asked Questions

What is NSN 2990-00-358-5794?

NSN 2990-00-358-5794 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 2990-00-358-5794?

NSN 2990-00-358-5794 has 4 cross-referenced part numbers: ABT1026 (Brighton Cromwell Llc), T-1026 (Cummins Filtration Inc.), ABT1026 (Ar Bee Corp), 1026 (Cummins Filtration Inc.).

What NSN replaces 2990-00-358-5794?

There is 1 known substitute for 2990-00-358-5794: 5360-01-092-5960. Verify interchangeability with system specifications before substitution.

What are the specifications of T-1026?

Key specifications for T-1026: Inlet Thread Series Designator: NPT SINGLE INLET; Outlet Thread Size: 1-1/2-11-1/2 FIRST OUTLET; Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Outlet Projection Length: 2.312 INCHES NOMINAL FIRST OUTLET IN. 20 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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