PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-5168Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-585-9391 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-585-9391 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-585-9391. Primary manufacturer part number: T-5168.
Features
  • Muffler,exhaust — FSC 2990
  • Thread Direction: RIGHT-HAND SINGLE INLET
  • Coolant Type: AIR
  • Operating Position: VERTICAL
  • Outlet Projection Length: 1.250 INCHES NOMINAL FIRST OUTLET IN
  • Inlet Projection Length: 1.250 INCHES NOMINAL SINGLE INLET IN
  • Inlet Thread Location: EXTERNAL SINGLE INLET
  • Inlet Connection Type: THREADED SINGLE INLET
Applications
  • Applications requiring Aluminum Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-585-9391, 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 21 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: Active.

Technical Specifications
ParameterValue
NSN2990-00-585-9391
Primary Part NumberT-5168
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Thread DirectionRIGHT-HAND SINGLE INLET
Coolant TypeAIR
Operating PositionVERTICAL
Outlet Projection Length1.250 INCHES NOMINAL FIRST OUTLET IN
Inlet Projection Length1.250 INCHES NOMINAL SINGLE INLET IN
Inlet Thread LocationEXTERNAL SINGLE INLET
Inlet Connection TypeTHREADED SINGLE INLET
Overall Diameter3.250 INCHES NOMINAL IN
Muffler DesignBAFFLE
Body ShapeROUND
Outlet Thread Size1-11-1/2 FIRST OUTLET
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
FSC Application DataENGINE,GASOLINE,NON-AIRCRAFT
Thread LocationEXTERNAL FIRST OUTLET
Outlet Thread DirectionRIGHT-HAND FIRST OUTLET
Baffle Quantity1
MaterialALUMINUM LOCATION NOT OTHERWISE SPECIFIED
Inlet Thread Size1-11-1/2 SINGLE INLET
Outlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Outlet Connection TypeTHREADED FIRST OUTLET
Design TypeDRY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-128-92705168 INTERCHANGEABLE
Switch,rotary
The Bechdon Company, Llc
5330-00-139-7430106W212 INTERCHANGEABLE
Seal,plain
Cone Drive Operations Inc
3040-00-249-08835168 INTERCHANGEABLE
Shaft,shouldered
Air-Lock, Incorporated
1620-00-718-67755168 INTERCHANGEABLE
Restrictor,metering Rod
Goodrich Aerospace Canada Ltd
2520-00-734-22077342207 INTERCHANGEABLE
Parts Kit,universal Joint
U S Army Tank Automotive Command Amsta-Im-Mm
2530-00-773-5501 INTERCHANGEABLE
Clamp,wheel Rim
4820-00-799-0538 INTERCHANGEABLE
Stem,fluid Valve
5310-01-004-67385168 INTERCHANGEABLE
Nut,plain,hexagon
Elliott Machine Works Inc
3110-01-138-6390 INTERCHANGEABLE
Bearing,ball,annular
4320-01-179-1037 INTERCHANGEABLE
Flange Assembly,pum
Cross-Reference Index
Part NumberManufacturer
T-5168 PRIMARY Cummins Filtration Inc. (USA)
ABT5168 Brighton Cromwell Llc (USA)
5168 Cummins Filtration Inc. (USA)
ABT5168 Ar Bee Corp (USA)
Related Parts
5930-00-128-9270INTERCHANGEABLE
SWITCH,ROTARY
5168
5330-00-139-7430INTERCHANGEABLE
SEAL,PLAIN
106W212
3040-00-249-0883INTERCHANGEABLE
SHAFT,SHOULDERED
5168
1620-00-718-6775INTERCHANGEABLE
RESTRICTOR,METERING ROD
5168
2520-00-734-2207INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
7342207
2530-00-773-5501INTERCHANGEABLE
CLAMP,WHEEL RIM
4820-00-799-0538INTERCHANGEABLE
STEM,FLUID VALVE
5310-01-004-6738INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5168
3110-01-138-6390INTERCHANGEABLE
BEARING,BALL,ANNULAR
4320-01-179-1037INTERCHANGEABLE
FLANGE ASSEMBLY,PUM
6105-01-210-3153INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
5168
4730-01-273-1318INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5168

Frequently Asked Questions

What is NSN 2990-00-585-9391?

NSN 2990-00-585-9391 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 2990-00-585-9391?

NSN 2990-00-585-9391 has 4 cross-referenced part numbers: T-5168 (Cummins Filtration Inc.), ABT5168 (Brighton Cromwell Llc), 5168 (Cummins Filtration Inc.), ABT5168 (Ar Bee Corp).

What NSN replaces 2990-00-585-9391?

There are 12 known substitutes for 2990-00-585-9391: 5930-00-128-9270, 5330-00-139-7430, 3040-00-249-0883 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-5168?

Key specifications for T-5168: Thread Direction: RIGHT-HAND SINGLE INLET; Coolant Type: AIR; Operating Position: VERTICAL; Outlet Projection Length: 1.250 INCHES NOMINAL FIRST OUTLET IN. 22 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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