PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C0TT5225EMuffler,exhaust

Ford Motor Co Ford Parts and Service Div Government Part Sales · NSN 2990-00-923-8543 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-923-8543 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-923-8543. Primary manufacturer part number: C0TT5225E.
Features
  • Muffler,exhaust — FSC 2990
  • Operating Position: HORIZONTAL
  • Body Shape: ROUND
  • Outlet Connection Type: UNTHREADED FIRST OUTLET
  • Surface Treatment: PAINT
  • Inlet Outside Diameter: 2.625 INCHES NOMINAL SINGLE INLET IN
  • Outlet Projection Length: 3.000 INCHES NOMINAL FIRST OUTLET IN
  • Inlet Location: LOCATED ON OD AT END OF BODY
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-923-8543, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Ford Motor Co Ford Parts and Service Div Government Part Sales. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-923-8543
Primary Part NumberC0TT5225E
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerFord Motor Co Ford Parts and Service Div Government Part Sales
StatusCANCELLED
Operating PositionHORIZONTAL
Body ShapeROUND
Outlet Connection TypeUNTHREADED FIRST OUTLET
Surface TreatmentPAINT
Inlet Outside Diameter2.625 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length3.000 INCHES NOMINAL FIRST OUTLET IN
Inlet LocationLOCATED ON OD AT END OF BODY
Overall Diameter7.000 INCHES NOMINAL IN
Outlet Inside Diameter2.500 INCHES NOMINAL FIRST OUTLET IN
Design TypeDRY
Muffler DesignBAFFLE
Inlet Connection TypeUNTHREADED SINGLE INLET
Outlet LocationLOCATED CENTER OF END OF BODY
Inlet Inside Diameter2.500 INCHES NOMINAL SINGLE INLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Outside Diameter2.625 INCHES NOMINAL FIRST OUTLET IN
Coolant TypeAIR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5961-00-071-7466577R387H05 INTERCHANGEABLE
Semiconductor Devices,unitized
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4210-00-088-103113-02550 INTERCHANGEABLE
Extension Assembly,water Fog
Tyco Fire Products Lp
5120-00-246-4746SA-325 INTERCHANGEABLE
Caps,vise Jaw
Yost Vises, Llc
Cross-Reference Index
Part NumberManufacturer
C0TT5225E Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
SA2550 Riker Products (USA)
C0TT5225ES Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
SA325 Riker Products (USA)
C2TA5225B Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
Related Parts
5961-00-071-7466INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
577R387H05
4210-00-088-1031INTERCHANGEABLE
EXTENSION ASSEMBLY,WATER FOG
13-02550
5120-00-246-4746INTERCHANGEABLE
CAPS,VISE JAW
SA-325

Frequently Asked Questions

What is NSN 2990-00-923-8543?

NSN 2990-00-923-8543 is a Muffler,exhaust, manufactured by Ford Motor Co Ford Parts and Service Div Government Part Sales, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-923-8543?

NSN 2990-00-923-8543 has 5 cross-referenced part numbers: C0TT5225E (Ford Motor Co Ford Parts and Service Div Government Part Sales), SA2550 (Riker Products), C0TT5225ES (Ford Motor Co Ford Parts and Service Div Government Part Sales), SA325 (Riker Products), C2TA5225B (Ford Motor Co Ford Parts and Service Div Government Part Sales).

What NSN replaces 2990-00-923-8543?

There are 3 known substitutes for 2990-00-923-8543: 5961-00-071-7466, 4210-00-088-1031, 5120-00-246-4746. Verify interchangeability with system specifications before substitution.

What are the specifications of C0TT5225E?

Key specifications for C0TT5225E: Overall Length: 38.000 INCHES NOMINAL IN; Operating Position: HORIZONTAL; Body Shape: ROUND; Outlet Connection Type: UNTHREADED FIRST OUTLET. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-923-8543 still in active supply?

NSN 2990-00-923-8543 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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