PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44684Pipe,exhaust

Walker Mfg Co · NSN 2990-01-223-0645 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-223-0645 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-223-0645. Primary manufacturer part number: 44684.
Features
  • Pipe,exhaust — FSC 2990
  • End Item Model Number: 1979-1984
  • Design Form: PREBENT
  • End Item Source: 79260
  • End Item Name: CAR,PASSENGER
  • Usage Location: EXHAUST PIPE
  • 1 verified cross-reference
  • Primary manufacturer: Walker Mfg Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-223-0645, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-223-0645
Primary Part Number44684
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
End Item Model Number1979-1984
Design FormPREBENT
End Item Source79260
End Item NameCAR,PASSENGER
Usage LocationEXHAUST PIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-292-364744684 INTERCHANGEABLE
Spring,helical,compression
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4320-00-471-0078 INTERCHANGEABLE
Sleeve,shaft,pump
5920-00-855-4261 INTERCHANGEABLE
Fuse,cartridge
7520-01-565-48717520-00-NIB-1906 INTERCHANGEABLE
Pencil,mechanical
San Antonio Lighthouse for the Blind Dba Vibrant Works
Cross-Reference Index
Part NumberManufacturer
44684 PRIMARY Walker Mfg Co (USA)
Related Parts
5360-00-292-3647INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
44684
4320-00-471-0078INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
5920-00-855-4261INTERCHANGEABLE
FUSE,CARTRIDGE
7520-01-565-4871INTERCHANGEABLE
PENCIL,MECHANICAL
7520-00-NIB-1906

Frequently Asked Questions

What is NSN 2990-01-223-0645?

NSN 2990-01-223-0645 is a Pipe,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-223-0645?

NSN 2990-01-223-0645 has 1 cross-referenced part number: 44684 (Walker Mfg Co).

What NSN replaces 2990-01-223-0645?

There are 4 known substitutes for 2990-01-223-0645: 5360-00-292-3647, 4320-00-471-0078, 5920-00-855-4261 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44684?

Key specifications for 44684: End Item Model Number: 1979-1984; Design Form: PREBENT; End Item Source: 79260; End Item Name: CAR,PASSENGER. 5 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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