PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-8708Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-052-8963 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-052-8963 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-052-8963. Primary manufacturer part number: T-8708.
Features
  • Muffler,exhaust — FSC 2990
  • Operating Position: VERTICAL
  • Outlet Outside Diameter: 2.437 INCHES NOMINAL FIRST OUTLET IN
  • Surface Treatment: ALUMINUM ALLOY
  • Outlet Location: CENTRALLY LOCATED IN END SECT. OF BODY
  • Inlet Projection Length: 3.375 INCHES NOMINAL SINGLE INLET IN
  • Inlet Location: CENTRALLY LOCATED IN END SECT. OF BODY
  • Inlet Thread Size: 2-1/2-8 SINGLE INLET
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-052-8963, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-052-8963
Primary Part NumberT-8708
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Operating PositionVERTICAL
Outlet Outside Diameter2.437 INCHES NOMINAL FIRST OUTLET IN
Surface TreatmentALUMINUM ALLOY
Outlet LocationCENTRALLY LOCATED IN END SECT. OF BODY
Inlet Projection Length3.375 INCHES NOMINAL SINGLE INLET IN
Inlet LocationCENTRALLY LOCATED IN END SECT. OF BODY
Inlet Thread Size2-1/2-8 SINGLE INLET
Muffler DesignSTRAIGHT THROUGH W/BAFFLE
Outlet Projection Length3.375 INCHES NOMINAL FIRST OUTLET IN
Outlet Inside Diameter2.316 INCHES NOMINAL FIRST OUTLET IN
Design TypeDRY
Inlet Thread LocationEXTERNAL SINGLE INLET
Coolant TypeAIR
Inlet Thread Series DesignatorNPT SINGLE INLET
Baffle Quantity1
Tube Quantity1
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter8.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND SINGLE INLET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5831-00-058-8054 INTERCHANGEABLE
Control,public Address Set
6640-00-213-5606 INTERCHANGEABLE
Furnace,muffle,laboratory
5306-00-407-6427 INTERCHANGEABLE
Bolt,machine
4440-00-409-5185 INTERCHANGEABLE
Dehydrator Assy
5360-00-446-92638708 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Div Marine Systems
1620-00-970-29158708 INTERCHANGEABLE
Bushing,torque Shaf
Goodrich Corporation
4920-01-102-5241T8708 INTERCHANGEABLE
Tool,insertion
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6150-01-194-3699 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cross-Reference Index
Part NumberManufacturer
8708 Cummins Filtration Inc. (USA)
T-8708 PRIMARY Cummins Filtration Inc. (USA)
ABT8708 Ar Bee Corp (USA)
ABT8708 Brighton Cromwell Llc (USA)
Related Parts
5831-00-058-8054INTERCHANGEABLE
CONTROL,PUBLIC ADDRESS SET
6640-00-213-5606INTERCHANGEABLE
FURNACE,MUFFLE,LABORATORY
5306-00-407-6427INTERCHANGEABLE
BOLT,MACHINE
4440-00-409-5185INTERCHANGEABLE
DEHYDRATOR ASSY
5360-00-446-9263INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8708
1620-00-970-2915INTERCHANGEABLE
BUSHING,TORQUE SHAF
8708
4920-01-102-5241INTERCHANGEABLE
TOOL,INSERTION
T8708
6150-01-194-3699INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 2990-00-052-8963?

NSN 2990-00-052-8963 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 2990-00-052-8963?

NSN 2990-00-052-8963 has 4 cross-referenced part numbers: 8708 (Cummins Filtration Inc.), T-8708 (Cummins Filtration Inc.), ABT8708 (Ar Bee Corp), ABT8708 (Brighton Cromwell Llc).

What NSN replaces 2990-00-052-8963?

There are 8 known substitutes for 2990-00-052-8963: 5831-00-058-8054, 6640-00-213-5606, 5306-00-407-6427 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-8708?

Key specifications for T-8708: Operating Position: VERTICAL; Outlet Outside Diameter: 2.437 INCHES NOMINAL FIRST OUTLET IN; Surface Treatment: ALUMINUM ALLOY; Outlet Location: CENTRALLY LOCATED IN END SECT. OF BODY. 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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