PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2506743C91Pipe,exhaust

Navistar Intl Corp Truck Br Ohio Plant · NSN 2990-01-165-4950 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-165-4950 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-165-4950. Primary manufacturer part number: 2506743C91.
Features
  • Pipe,exhaust — FSC 2990
  • End Item Source: 89346
  • End Item Model Number: 1850B
  • Design Form: PREBENT
  • End Item Name: TRUCK
  • Usage Location: EXHAUST PIPE
  • 4 verified cross-references
  • Primary manufacturer: Navistar Intl Corp Truck Br Ohio Plant
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-165-4950, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-01-165-4950
Primary Part Number2506743C91
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusCANCELLED
End Item Source89346
End Item Model Number1850B
Design FormPREBENT
End Item NameTRUCK
Usage LocationEXHAUST PIPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5999-00-204-9919GS45-300 INTERCHANGEABLE
Contact Assembly,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-397-9656 INTERCHANGEABLE
Gasket
5950-00-601-629672-2204 INTERCHANGEABLE
Transformer,current
Department of Defense Project Manager-Mobile Electric Power
5985-01-077-571541096 INTERCHANGEABLE
Switch,waveguide
Waveline Inc
5330-01-120-687941096 INTERCHANGEABLE
Retainer,packing
Parker Hannifin Corporation Div Hydraulic Systems Division
5330-01-329-406841096 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Allied Systems Company Dba Allied Systems Co
4720-01-364-342521207 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5940-01-398-60664109.6 INTERCHANGEABLE
Terminal Board
Weidmueller Terminations Inc
Cross-Reference Index
Part NumberManufacturer
754557C1 Navistar Intl Corp Truck Br Ohio Plant (USA)
2506743C91 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
41096 PRIMARY Walker Mfg Co (USA)
992367C1 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
5999-00-204-9919INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
GS45-300
5330-00-397-9656INTERCHANGEABLE
GASKET
5950-00-601-6296INTERCHANGEABLE
TRANSFORMER,CURRENT
72-2204
5985-01-077-5715INTERCHANGEABLE
SWITCH,WAVEGUIDE
41096
5330-01-120-6879INTERCHANGEABLE
RETAINER,PACKING
41096
5330-01-329-4068INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
41096
4720-01-364-3425INTERCHANGEABLE
HOSE,PREFORMED
21207
5940-01-398-6066INTERCHANGEABLE
TERMINAL BOARD
4109.6

Frequently Asked Questions

What is NSN 2990-01-165-4950?

NSN 2990-01-165-4950 is a Pipe,exhaust, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-01-165-4950?

NSN 2990-01-165-4950 has 4 cross-referenced part numbers: 754557C1 (Navistar Intl Corp Truck Br Ohio Plant), 2506743C91 (Navistar Intl Corp Truck Br Ohio Plant), 41096 (Walker Mfg Co), 992367C1 (Navistar Intl Corp Truck Br Ohio Plant).

What NSN replaces 2990-01-165-4950?

There are 8 known substitutes for 2990-01-165-4950: 5999-00-204-9919, 5330-00-397-9656, 5950-00-601-6296 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2506743C91?

Key specifications for 2506743C91: End Item Source: 89346; End Item Model Number: 1850B; Design Form: PREBENT; End Item Name: TRUCK. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-01-165-4950 still in active supply?

NSN 2990-01-165-4950 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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