PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

05486NMuffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-571-0454 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-571-0454 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-571-0454. Primary manufacturer part number: 05486N.
Features
  • Muffler,exhaust — FSC 2990
  • Body Shape: ROUND
  • Operating Position: HORIZONTAL
  • Inlet Connection Type: UNTHREADED SINGLE INLET
  • Coolant Type: AIR
  • Outlet Inside Diameter: 1.880 INCHES NOMINAL FIRST OUTLET IN
  • Muffler Design: DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
  • Overall Diameter: 6.625 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-571-0454, 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 9 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: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-571-0454
Primary Part Number05486N
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusCANCELLED
Body ShapeROUND
Operating PositionHORIZONTAL
Inlet Connection TypeUNTHREADED SINGLE INLET
Coolant TypeAIR
Outlet Inside Diameter1.880 INCHES NOMINAL FIRST OUTLET IN
Muffler DesignDIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
Overall Diameter6.625 INCHES NOMINAL IN
Tube Quantity3
Inlet Inside Diameter1.805 INCHES NOMINAL SINGLE INLET IN
Design TypeDRY
Outlet Projection Length3.750 INCHES NOMINAL FIRST OUTLET IN
Surface TreatmentPAINT
Outlet LocationLOCATED IN END OF BODY
Outlet Outside Diameter2.000 INCHES NOMINAL FIRST OUTLET IN
Inlet Projection Length1.250 INCHES NOMINAL SINGLE INLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Inlet LocationLOCATED ON PERIPHERY OF BODY 11.313 IN. FROM END IN
Inlet Outside Diameter1.925 INCHES NOMINAL SINGLE INLET IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-072-09531243 INTERCHANGEABLE
Gasket
Edro Corporation, the Dba Edro Corp
4310-00-137-18205486 INTERCHANGEABLE
Orfice,air Compress
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
1620-00-343-5008 INTERCHANGEABLE
Cap Assembly,damper
5962-00-361-8648 INTERCHANGEABLE
Microcircuit,digital
5940-00-813-0698 INTERCHANGEABLE
Terminal,lug
3110-00-829-0563 INTERCHANGEABLE
Bearing,ball,annular
2990-00-930-0692T-8833 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
1650-00-949-68455486 INTERCHANGEABLE
Parts Kit,valve,linear,direction
Hydro-Aire Aerospace Corp
3655-01-060-94205-2967 INTERCHANGEABLE
Winterization Kit
Tayco Engineering, Inc. Dba Tayco Engineering
4730-01-110-7175CA63AA-051 INTERCHANGEABLE
Plug,pipe
Carrier Corp
Cross-Reference Index
Part NumberManufacturer
ABT5486 Ar Bee Corp (USA)
52967 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
5486N Cummins Filtration Inc. (USA)
ABT5486 Brighton Cromwell Llc (USA)
05486N PRIMARY Cummins Filtration Inc. (USA)
S-1243-A The Gorman-Rupp Company Div Gorman-Rupp (USA)
S1243 The Gorman-Rupp Company Div Gorman-Rupp (USA)
5486 Cummins Filtration Inc. (USA)
T-5486 Cummins Filtration Inc. (USA)
Related Parts
5330-00-072-0953INTERCHANGEABLE
GASKET
1243
4310-00-137-1820INTERCHANGEABLE
ORFICE,AIR COMPRESS
5486
1620-00-343-5008INTERCHANGEABLE
CAP ASSEMBLY,DAMPER
5962-00-361-8648INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5940-00-813-0698INTERCHANGEABLE
TERMINAL,LUG
3110-00-829-0563INTERCHANGEABLE
BEARING,BALL,ANNULAR
2990-00-930-0692INTERCHANGEABLE
MUFFLER,EXHAUST
T-8833
1650-00-949-6845INTERCHANGEABLE
PARTS KIT,VALVE,LINEAR,DIRECTION
5486
3655-01-060-9420INTERCHANGEABLE
WINTERIZATION KIT
5-2967
4730-01-110-7175INTERCHANGEABLE
PLUG,PIPE
CA63AA-051
5330-01-120-6057INTERCHANGEABLE
GASKET
5486
1005-01-141-6452INTERCHANGEABLE
STIRRUP,MAINSPRING
5486

Frequently Asked Questions

What is NSN 2990-00-571-0454?

NSN 2990-00-571-0454 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-571-0454?

NSN 2990-00-571-0454 has 9 cross-referenced part numbers: ABT5486 (Ar Bee Corp), 52967 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 5486N (Cummins Filtration Inc.), ABT5486 (Brighton Cromwell Llc), 05486N (Cummins Filtration Inc.) and 4 more.

What NSN replaces 2990-00-571-0454?

There are 12 known substitutes for 2990-00-571-0454: 5330-00-072-0953, 4310-00-137-1820, 1620-00-343-5008 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 05486N?

Key specifications for 05486N: Body Shape: ROUND; Operating Position: HORIZONTAL; Inlet Connection Type: UNTHREADED SINGLE INLET; Coolant Type: AIR. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-571-0454 still in active supply?

NSN 2990-00-571-0454 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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