PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

T-10308Muffler,exhaust

Name: T-10308
SKU: 2990-00-121-0568

Cummins Filtration Inc. · NSN 2990-00-121-0568 · FSC 2990 · No Item Name Available

Verified by PartsTable

NSN 2990-00-121-0568 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-121-0568. Primary manufacturer part number: T-10308.

2990-00-121-0568 — No Item Name Available illustration

Features

Muffler,exhaust — FSC 2990
Coolant Type: AIR
Baffle Quantity: 1
Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Location: CENTERED ON END OF BODY
Overall Diameter: 8.500 INCHES NOMINAL IN
Inlet Location: LOCATED ON SIDE OF BODY
Outlet Outside Diameter: 2.995 INCHES NOMINAL FIRST OUTLET IN

Applications

Applications requiring Steel Location Not Otherwise Specified construction

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-121-0568, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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

Parameter	Value
NSN	2990-00-121-0568
Primary Part Number	T-10308
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — No Item Name Available
Manufacturer	Cummins Filtration Inc.
Status	ACTIVE
Coolant Type	AIR
Baffle Quantity	1
Material	STEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Location	CENTERED ON END OF BODY
Overall Diameter	8.500 INCHES NOMINAL IN
Inlet Location	LOCATED ON SIDE OF BODY
Outlet Outside Diameter	2.995 INCHES NOMINAL FIRST OUTLET IN
Muffler Design	STRAIGHT THROUGH W/BAFFLE
Outlet Projection Length	3.000 INCHES NOMINAL FIRST OUTLET IN
Inlet Inside Diameter	1.750 INCHES NOMINAL SINGLE INLET IN
Operating Position	UNIVERSAL
Design Type	DRY

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

2825-00-148-180410308 INTERCHANGEABLE

Stem Assembly

Northrop Grumman Systems Corporation Div Marine Systems

5305-00-206-2267A107PT10 INTERCHANGEABLE

Screw,machine

Raytheon Company Dba Raytheon Co

5305-00-208-7907100-7B6-6 INTERCHANGEABLE

Screw,machine

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir

2945-00-673-7742Q9T583 INTERCHANGEABLE

Filter Assy,oil

Falls Filtration Technologies, Inc.

3040-00-692-6839SM-B-157196 INTERCHANGEABLE

Shaft,straight

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir

5905-00-788-8895DC10308 INTERCHANGEABLE

Resistor,thermal

Hamilton Sundstrand Corporation Dba Collins Aerospace

4730-00-826-426810308 INTERCHANGEABLE

Clamp,hose

Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group

5133-00-988-5695 INTERCHANGEABLE

Drill,twist

5930-01-083-631650296 INTERCHANGEABLE

Switch,liquid Level

Setra Systems, Inc. Dba Gems Sensors

1315-01-219-39361-0308 INTERCHANGEABLE

Repair Kit,cartridge,81 Millimet

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament

Cross-Reference Index

Part Number	Manufacturer
ABT10308	Brighton Cromwell Llc (USA)
9244945	Terex Corp (USA)
ABT10308	Ar Bee Corp (USA)
T-10308 PRIMARY	Cummins Filtration Inc. (USA)
10308	Cummins Filtration Inc. (USA)

Related Parts

2825-00-148-1804INTERCHANGEABLE

STEM ASSEMBLY

10308

5305-00-206-2267INTERCHANGEABLE

SCREW,MACHINE

A107PT10

5305-00-208-7907INTERCHANGEABLE

SCREW,MACHINE

100-7B6-6

2945-00-673-7742INTERCHANGEABLE

FILTER ASSY,OIL

Q9T583

3040-00-692-6839INTERCHANGEABLE

SHAFT,STRAIGHT

SM-B-157196

5905-00-788-8895INTERCHANGEABLE

RESISTOR,THERMAL

DC10308

4730-00-826-4268INTERCHANGEABLE

CLAMP,HOSE

10308

5133-00-988-5695INTERCHANGEABLE

DRILL,TWIST

5930-01-083-6316INTERCHANGEABLE

SWITCH,LIQUID LEVEL

50296

1315-01-219-3936INTERCHANGEABLE

REPAIR KIT,CARTRIDGE,81 MILLIMET

1-0308

5331-01-274-7090INTERCHANGEABLE

O-RING

10308

5330-01-278-2024INTERCHANGEABLE

GASKET

10308

Frequently Asked Questions

What is NSN 2990-00-121-0568?

NSN 2990-00-121-0568 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 2990-00-121-0568?

NSN 2990-00-121-0568 has 5 cross-referenced part numbers: ABT10308 (Brighton Cromwell Llc), 9244945 (Terex Corp), ABT10308 (Ar Bee Corp), T-10308 (Cummins Filtration Inc.), 10308 (Cummins Filtration Inc.).

What NSN replaces 2990-00-121-0568?

There are 12 known substitutes for 2990-00-121-0568: 2825-00-148-1804, 5305-00-206-2267, 5305-00-208-7907 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-10308?

Key specifications for T-10308: Coolant Type: AIR; Baffle Quantity: 1; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Outlet Location: CENTERED ON END OF BODY. 13 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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