PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46651Pipe,exhaust

Walker Mfg Co · NSN 2990-01-317-8865 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-317-8865 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-317-8865. Primary manufacturer part number: 46651.
Features
  • Pipe,exhaust — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Walker Mfg Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-317-8865, 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. This item has 3 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: Active.

Catalog Facts
Item NamePipe,exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersWalker Mfg Co (CAGE 79260); General Motors Llc Dba General Motors Llc (CAGE 7X677); General Motors Corp Chevrolet Motor Div Special Products Dept (CAGE 11862)
Technical Specifications
ParameterValue
NSN2990-01-317-8865
Primary Part Number46651
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5985-01-026-76412897218-2 INTERCHANGEABLE
Waveguide Assembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5365-01-051-496146651 INTERCHANGEABLE
Spacer,plate
L3harris Technologies, Inc Div Space & Airborne Systems
3120-01-382-723846651 INTERCHANGEABLE
Bearing,washer,thrust
Mettler-Toledo Llc
Cross-Reference Index
Part NumberManufacturer
46651 PRIMARY Walker Mfg Co (USA)
14079373 General Motors Llc Dba General Motors Llc (USA)
14079373 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
Related Parts
5985-01-026-7641INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
2897218-2
5365-01-051-4961INTERCHANGEABLE
SPACER,PLATE
46651
3120-01-382-7238INTERCHANGEABLE
BEARING,WASHER,THRUST
46651

Frequently Asked Questions

What is NSN 2990-01-317-8865?

NSN 2990-01-317-8865 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 2990-01-317-8865?

NSN 2990-01-317-8865 has 3 cross-referenced part numbers: 46651 (Walker Mfg Co), 14079373 (General Motors Llc Dba General Motors Llc), 14079373 (General Motors Corp Chevrolet Motor Div Special Products Dept).

What NSN replaces 2990-01-317-8865?

There are 3 known substitutes for 2990-01-317-8865: 5985-01-026-7641, 5365-01-051-4961, 3120-01-382-7238. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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