PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C32161Muffler,exhaust

Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co · NSN 2990-00-141-9232 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-141-9232 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-141-9232. Primary manufacturer part number: C32161.
Features
  • Muffler,exhaust — FSC 2990
  • Outlet Outside Diameter: 3.150 INCHES NOMINAL FIRST OUTLET IN
  • Muffler Design: MULTIPASS
  • Inlet Inside Diameter: 3.000 INCHES NOMINAL SINGLE INLET IN
  • Outlet Projection Length: 2.000 INCHES NOMINAL FIRST OUTLET IN
  • Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Operating Position: VERTICAL OR HORIZONTAL
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-141-9232, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-141-9232
Primary Part NumberC32161
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerKoehring Cranes and Excavators Inc Sub of Northwest Engineering Co
StatusACTIVE
Outlet Outside Diameter3.150 INCHES NOMINAL FIRST OUTLET IN
Muffler DesignMULTIPASS
Inlet Inside Diameter3.000 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length2.000 INCHES NOMINAL FIRST OUTLET IN
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Operating PositionVERTICAL OR HORIZONTAL
Outlet Inside Diameter3.000 INCHES NOMINAL FIRST OUTLET IN
Outlet LocationLOCATED 2-1/8 IN. C TO C FROM HORIZONTAL CENTER LINE IN
Coolant TypeAIR
Inlet Outside Diameter3.150 INCHES NOMINAL SINGLE INLET IN
Design TypeDRY
Inlet Projection Length2.000 INCHES NOMINAL SINGLE INLET IN
Overall Diameter8.469 INCHES NOMINAL IN
Tube Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-010-386713F06 INTERCHANGEABLE
Plug,pipe
Dana Off Highway Products, Llc
5120-00-116-3278 INTERCHANGEABLE
Die,crimping Tool
3110-00-156-4148109119-16 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9390-00-515-3337 INTERCHANGEABLE
Nonmetallic Channel
9390-00-640-9580287-1009PT1 INTERCHANGEABLE
Nonmetallic Channel
Raytheon Company Dba Raytheon
5330-01-174-3597C-3463 INTERCHANGEABLE
Gasket
L3 Technologies, Inc.
5120-01-335-8280X102 INTERCHANGEABLE
Die,crimping Tool
Daniels Manufacturing Corporation
4320-01-406-037219313 INTERCHANGEABLE
Cylinder Block,hydraulic Motor-P
Coffin Turbo Pump Inc
5120-01-434-9833 INTERCHANGEABLE
Screwdriver,cross Tip
Cross-Reference Index
Part NumberManufacturer
C32161 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
C32161 Koehring Co Lorain Div (USA)
X344 International Parts Corp Div of Midas-International Corp (USA)
X344 Koehring Co Lorain Div (USA)
X344 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
C32162 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
X102 International Parts Corp Div of Midas-International Corp (USA)
C32162 Koehring Co Lorain Div (USA)
Related Parts
4730-00-010-3867INTERCHANGEABLE
PLUG,PIPE
13F06
5120-00-116-3278INTERCHANGEABLE
DIE,CRIMPING TOOL
3110-00-156-4148INTERCHANGEABLE
BEARING,BALL,ANNULAR
109119-16
9390-00-515-3337INTERCHANGEABLE
NONMETALLIC CHANNEL
9390-00-640-9580INTERCHANGEABLE
NONMETALLIC CHANNEL
287-1009PT1
5330-01-174-3597INTERCHANGEABLE
GASKET
C-3463
5120-01-335-8280INTERCHANGEABLE
DIE,CRIMPING TOOL
X102
4320-01-406-0372INTERCHANGEABLE
CYLINDER BLOCK,HYDRAULIC MOTOR-P
19313
5120-01-434-9833INTERCHANGEABLE
SCREWDRIVER,CROSS TIP

Frequently Asked Questions

What is NSN 2990-00-141-9232?

NSN 2990-00-141-9232 is a Muffler,exhaust, manufactured by Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-141-9232?

NSN 2990-00-141-9232 has 8 cross-referenced part numbers: C32161 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), C32161 (Koehring Co Lorain Div), X344 (International Parts Corp Div of Midas-International Corp), X344 (Koehring Co Lorain Div), X344 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co) and 3 more.

What NSN replaces 2990-00-141-9232?

There are 9 known substitutes for 2990-00-141-9232: 4730-00-010-3867, 5120-00-116-3278, 3110-00-156-4148 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C32161?

Key specifications for C32161: Outlet Outside Diameter: 3.150 INCHES NOMINAL FIRST OUTLET IN; Muffler Design: MULTIPASS; Inlet Inside Diameter: 3.000 INCHES NOMINAL SINGLE INLET IN; Outlet Projection Length: 2.000 INCHES NOMINAL FIRST OUTLET IN. 16 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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