PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-6718Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-903-8226 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-903-8226 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-903-8226. Primary manufacturer part number: T-6718.
Features
  • Muffler,exhaust — FSC 2990
  • Tube Quantity: 2
  • Muffler Design: BAFFLE
  • Inlet Connection Type: UNTHREADED SINGLE INLET
  • Baffle Quantity: 1
  • Design Type: DRY
  • Operating Position: UNIVERSAL
  • Nonconnection Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-903-8226, 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 17 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-903-8226
Primary Part NumberT-6718
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Tube Quantity2
Muffler DesignBAFFLE
Inlet Connection TypeUNTHREADED SINGLE INLET
Baffle Quantity1
Design TypeDRY
Operating PositionUNIVERSAL
Nonconnection Outlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Surface TreatmentALUMINUM
Inlet Outside Diameter3.125 INCHES NOMINAL SINGLE INLET IN
Overall Diameter7.000 INCHES NOMINAL IN
Body ShapeROUND
Inlet Projection Length8.875 INCHES NOMINAL SINGLE INLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Inlet LocationLOCATED ON SIDE AT END OF BODY
Nonconnection Outlet Size3.375 IN. OD IN
Coolant TypeAIR
Nonconnection Outlet Type and Quantity1 ROUND HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-145-2470 INTERCHANGEABLE
Pin,pivot Mast
4030-00-165-2046 INTERCHANGEABLE
Terminal,rope,swaging
5340-00-197-881367-18 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
5325-00-263-383169204D INTERCHANGEABLE
Ring,retaining
Cummins Inc.
5940-00-983-6086 INTERCHANGEABLE
Terminal Board
5340-01-009-772867-18 INTERCHANGEABLE
Tip,furniture Leg
Hudson Industrial Products Inc
2590-01-151-96296718 INTERCHANGEABLE
Hydrovac
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5935-01-286-1355PMA60-10 INTERCHANGEABLE
Connector Assembly,electrical
Ims Engineered Products Llc
Cross-Reference Index
Part NumberManufacturer
ABT6718 Brighton Cromwell Llc (USA)
HCF12450 Volvo Construction Equipment North America, Llc (USA)
ABT6718 Ar Bee Corp (USA)
HCF12450 Vme Americas Inc Sub of Vme Group N V (USA)
6718 Cummins Filtration Inc. (USA)
T-6718 PRIMARY Cummins Filtration Inc. (USA)
Related Parts
5315-00-145-2470INTERCHANGEABLE
PIN,PIVOT MAST
4030-00-165-2046INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
5340-00-197-8813INTERCHANGEABLE
BUMPER
67-18
5325-00-263-3831INTERCHANGEABLE
RING,RETAINING
69204D
5940-00-983-6086INTERCHANGEABLE
TERMINAL BOARD
5340-01-009-7728INTERCHANGEABLE
TIP,FURNITURE LEG
67-18
2590-01-151-9629INTERCHANGEABLE
HYDROVAC
6718
5935-01-286-1355INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
PMA60-10

Frequently Asked Questions

What is NSN 2990-00-903-8226?

NSN 2990-00-903-8226 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 2990-00-903-8226?

NSN 2990-00-903-8226 has 6 cross-referenced part numbers: ABT6718 (Brighton Cromwell Llc), HCF12450 (Volvo Construction Equipment North America, Llc), ABT6718 (Ar Bee Corp), HCF12450 (Vme Americas Inc Sub of Vme Group N V), 6718 (Cummins Filtration Inc.) and 1 more.

What NSN replaces 2990-00-903-8226?

There are 8 known substitutes for 2990-00-903-8226: 5315-00-145-2470, 4030-00-165-2046, 5340-00-197-8813 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-6718?

Key specifications for T-6718: Tube Quantity: 2; Muffler Design: BAFFLE; Inlet Connection Type: UNTHREADED SINGLE INLET; Baffle Quantity: 1. 19 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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