PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44348Pipe,exhaust

Walker Mfg Co · NSN 2990-00-494-2309 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-494-2309 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-494-2309. Primary manufacturer part number: 44348.
Features
  • Pipe,exhaust — FSC 2990
  • Nominal Outside Diameter: 2.750 INCHES IN
  • Material: STEEL
  • Nominal Overall Length: 43.500 INCHES IN
  • Enlarged End Inside Diameter: 3.000 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Walker Mfg Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-00-494-2309, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Walker Mfg Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN2990-00-494-2309
Primary Part Number44348
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusCANCELLED
Nominal Outside Diameter2.750 INCHES IN
MaterialSTEEL
Nominal Overall Length43.500 INCHES IN
Enlarged End Inside Diameter3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-100-058644348 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5950-01-011-7702138024-0001 INTERCHANGEABLE
Transformer,power,vibrator
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
1650-01-696-936648144 INTERCHANGEABLE
Accumulator,hydraulic
Senior Operations Llc Dba Metal Bellows Div Metal Bellows
Cross-Reference Index
Part NumberManufacturer
44348 PRIMARY Walker Mfg Co (USA)
207524R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
207524R2 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
48144 Ap Parts Co Industrial Sales Div (USA)
Related Parts
3110-00-100-0586INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
44348
5950-01-011-7702INTERCHANGEABLE
TRANSFORMER,POWER,VIBRATOR
138024-0001
1650-01-696-9366INTERCHANGEABLE
ACCUMULATOR,HYDRAULIC
48144

Frequently Asked Questions

What is NSN 2990-00-494-2309?

NSN 2990-00-494-2309 is a Pipe,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-494-2309?

NSN 2990-00-494-2309 has 4 cross-referenced part numbers: 44348 (Walker Mfg Co), 207524R1 (Navistar Intl Corp Truck Br Ohio Plant), 207524R2 (Navistar Intl Corp Truck Br Ohio Plant), 48144 (Ap Parts Co Industrial Sales Div).

What NSN replaces 2990-00-494-2309?

There are 3 known substitutes for 2990-00-494-2309: 3110-00-100-0586, 5950-01-011-7702, 1650-01-696-9366. Verify interchangeability with system specifications before substitution.

What are the specifications of 44348?

Key specifications for 44348: Nominal Outside Diameter: 2.750 INCHES IN; Material: STEEL; Nominal Overall Length: 43.500 INCHES IN; Enlarged End Inside Diameter: 3.000 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-494-2309 still in active supply?

NSN 2990-00-494-2309 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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