PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-8674Muffler,intake

Cummins Filtration Inc. · NSN 2990-00-277-8508 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-277-8508 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-277-8508. Primary manufacturer part number: T-8674.
Features
  • Muffler,intake — FSC 2990
  • Operating Position: VERTICAL
  • Tube Quantity: 1
  • Outlet Inside Diameter: 2.625 INCHES NOMINAL IN
  • Furnished Items and Quantity: 1 CLAMP
  • Body Shape: ROUND
  • Overall Diameter: 6.500 INCHES NOMINAL IN
  • Muffler Design: STRAIGHT THROUGH
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,intake, cataloged under National Stock Number 2990-00-277-8508, 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 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-277-8508
Primary Part NumberT-8674
Item NameMuffler,intake
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Operating PositionVERTICAL
Tube Quantity1
Outlet Inside Diameter2.625 INCHES NOMINAL IN
Furnished Items and Quantity1 CLAMP
Body ShapeROUND
Overall Diameter6.500 INCHES NOMINAL IN
Muffler DesignSTRAIGHT THROUGH
Design TypeJACKETED
Outlet Connection Quantity1
Outlet Projection Length0.812 INCHES NOMINAL IN
Outlet Connection TypeUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Outlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Outside Diameter3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MaterialJUTE INSULATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5960-00-262-37908674 INTERCHANGEABLE
Shield,electron Tube
Cinch Connectivity Solutions Inc.
4820-00-352-187910125002 INTERCHANGEABLE
Valve,check
Fwd Seagrave Holdings Lp
6695-00-395-0276 INTERCHANGEABLE
Gage,bayonet
4910-00-490-8435 INTERCHANGEABLE
Hose Assy-Vacuum
4730-00-541-0939 INTERCHANGEABLE
Adapter,straight,pipe to Tube
6545-01-566-6524UA 512A INTERCHANGEABLE
Ves,animal Medicine and Surgery,
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
5895-01-575-84118674 INTERCHANGEABLE
Switching Unit,electronic Comman
Cef Industries Inc Environ Div
9390-01-676-17527100000189 INTERCHANGEABLE
Tape,protective,plastic
3m Company
Cross-Reference Index
Part NumberManufacturer
T-8674 PRIMARY Cummins Filtration Inc. (USA)
ABT8674 Brighton Cromwell Llc (USA)
ABT8674 Ar Bee Corp (USA)
AC1058E Burgess Manning, Inc. Dba Skimovex Usa (USA)
8674 Cummins Filtration Inc. (USA)
Related Parts
5960-00-262-3790INTERCHANGEABLE
SHIELD,ELECTRON TUBE
8674
4820-00-352-1879INTERCHANGEABLE
VALVE,CHECK
10125002
6695-00-395-0276INTERCHANGEABLE
GAGE,BAYONET
4910-00-490-8435INTERCHANGEABLE
HOSE ASSY-VACUUM
4730-00-541-0939INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
6545-01-566-6524INTERCHANGEABLE
VES,ANIMAL MEDICINE AND SURGERY,
UA 512A
5895-01-575-8411INTERCHANGEABLE
SWITCHING UNIT,ELECTRONIC COMMAN
8674
9390-01-676-1752INTERCHANGEABLE
TAPE,PROTECTIVE,PLASTIC
7100000189

Frequently Asked Questions

What is NSN 2990-00-277-8508?

NSN 2990-00-277-8508 is a Muffler,intake, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-277-8508?

NSN 2990-00-277-8508 has 5 cross-referenced part numbers: T-8674 (Cummins Filtration Inc.), ABT8674 (Brighton Cromwell Llc), ABT8674 (Ar Bee Corp), AC1058E (Burgess Manning, Inc. Dba Skimovex Usa), 8674 (Cummins Filtration Inc.).

What NSN replaces 2990-00-277-8508?

There are 8 known substitutes for 2990-00-277-8508: 5960-00-262-3790, 4820-00-352-1879, 6695-00-395-0276 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-8674?

Key specifications for T-8674: Operating Position: VERTICAL; Tube Quantity: 1; Outlet Inside Diameter: 2.625 INCHES NOMINAL IN; Furnished Items and Quantity: 1 CLAMP. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com