PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-8165Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-004-8351 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-004-8351 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-004-8351. Primary manufacturer part number: T-8165.
Features
  • Muffler,exhaust — FSC 2990
  • Inlet Location: LOCATED ON SIDE OF BODY
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Muffler Design: STRAIGHT THROUGH W/BAFFLE
  • Outlet Location: CENTERED ON END OF BODY
  • Inlet Inside Diameter: 0.025 INCHES NOMINAL SINGLE INLET IN
  • Operating Position: UNIVERSAL
  • Overall Diameter: 8.500 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-004-8351, 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 6 commercial cross-references from 5 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
NSN2990-00-004-8351
Primary Part NumberT-8165
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Inlet LocationLOCATED ON SIDE OF BODY
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Muffler DesignSTRAIGHT THROUGH W/BAFFLE
Outlet LocationCENTERED ON END OF BODY
Inlet Inside Diameter0.025 INCHES NOMINAL SINGLE INLET IN
Operating PositionUNIVERSAL
Overall Diameter8.500 INCHES NOMINAL IN
Outlet Inside Diameter3.745 INCHES NOMINAL FIRST OUTLET IN
Design TypeDRY
Outlet Projection Length2.000 INCHES NOMINAL FIRST OUTLET IN
Baffle Quantity1
Coolant TypeAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-448-14098165 INTERCHANGEABLE
Washer,spring Tension
Telemechanics Inc
4310-00-465-10908165 INTERCHANGEABLE
Ring Set,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5325-00-721-5235221 INTERCHANGEABLE
Grommet,nonmetallic
Parker-Hannifin Corporation Div O-Ring Division
3895-00-758-97107700086 INTERCHANGEABLE
Tank,distributor Bituminous
Ed Etnyre & Co
4140-00-774-85148165 INTERCHANGEABLE
Impeller,fan,centrifugal
Way Wolff Associates Inc
4730-00-834-5456 INTERCHANGEABLE
Adapter,straight,tube to Hose
5960-00-958-9146 INTERCHANGEABLE
Electron Tube
5930-00-982-7682 INTERCHANGEABLE
Switch,rotary
5998-01-005-75168165 INTERCHANGEABLE
Circuit Card Assembly
Electrac Space Electronics Laboratory Inc Vibration Instruments Co Div
5935-01-011-7658 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
T-8165 PRIMARY Cummins Filtration Inc. (USA)
8165 Cummins Filtration Inc. (USA)
46669760 Lucas Western Inc Mining Machinery Div (USA)
ABT8165 Ar Bee Corp (USA)
46669760 Lucas Western Inc (USA)
ABT8165 Brighton Cromwell Llc (USA)
Related Parts
5310-00-448-1409INTERCHANGEABLE
WASHER,SPRING TENSION
8165
4310-00-465-1090INTERCHANGEABLE
RING SET,PISTON
8165
5325-00-721-5235INTERCHANGEABLE
GROMMET,NONMETALLIC
221
3895-00-758-9710INTERCHANGEABLE
TANK,DISTRIBUTOR BITUMINOUS
7700086
4140-00-774-8514INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
8165
4730-00-834-5456INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5960-00-958-9146INTERCHANGEABLE
ELECTRON TUBE
5930-00-982-7682INTERCHANGEABLE
SWITCH,ROTARY
5998-01-005-7516INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
8165
5935-01-011-7658INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2590-01-024-9737INTERCHANGEABLE
CAP,FILLER OPENING
3441-01-038-1751INTERCHANGEABLE
UPPER BEAM,JAW
756020285

Frequently Asked Questions

What is NSN 2990-00-004-8351?

NSN 2990-00-004-8351 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 2990-00-004-8351?

NSN 2990-00-004-8351 has 6 cross-referenced part numbers: T-8165 (Cummins Filtration Inc.), 8165 (Cummins Filtration Inc.), 46669760 (Lucas Western Inc Mining Machinery Div), ABT8165 (Ar Bee Corp), 46669760 (Lucas Western Inc) and 1 more.

What NSN replaces 2990-00-004-8351?

There are 12 known substitutes for 2990-00-004-8351: 5310-00-448-1409, 4310-00-465-1090, 5325-00-721-5235 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-8165?

Key specifications for T-8165: Overall Length: 30.000 INCHES NOMINAL IN; Inlet Location: LOCATED ON SIDE OF BODY; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Muffler Design: STRAIGHT THROUGH W/BAFFLE. 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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