PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40346Pipe,exhaust

Walker Mfg Co · NSN 2990-01-010-5085 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-010-5085 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-010-5085. Primary manufacturer part number: 40346.
Features
  • Pipe,exhaust — FSC 2990
  • Surface Treatment: ALUMINUM
  • Nominal Outside Diameter: 2.380 INCHES IN
  • Material: STEEL
  • 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 2990-01-010-5085, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-010-5085
Primary Part Number40346
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Surface TreatmentALUMINUM
Nominal Outside Diameter2.380 INCHES IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-037-6902220042GE12 INTERCHANGEABLE
Washer,flat
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5961-00-089-7448 INTERCHANGEABLE
Transistor
3455-00-293-052408720 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
5365-00-518-523965A81C937 INTERCHANGEABLE
Spacer,sleeve
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
9540-00-580-6525 INTERCHANGEABLE
Beam,structural
5840-00-677-347940346 INTERCHANGEABLE
Jack Nut
Honeywell International Inc. Div Aerospace - Torrance
5962-01-024-9520351-1086-022 INTERCHANGEABLE
Microcircuit,linear
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
93609 Ap Parts Co Industrial Sales Div (USA)
6262765 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
40346 PRIMARY Walker Mfg Co (USA)
6262765 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
5310-00-037-6902INTERCHANGEABLE
WASHER,FLAT
220042GE12
5961-00-089-7448INTERCHANGEABLE
TRANSISTOR
3455-00-293-0524INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08720
5365-00-518-5239INTERCHANGEABLE
SPACER,SLEEVE
65A81C937
9540-00-580-6525INTERCHANGEABLE
BEAM,STRUCTURAL
5840-00-677-3479INTERCHANGEABLE
JACK NUT
40346
5962-01-024-9520INTERCHANGEABLE
MICROCIRCUIT,LINEAR
351-1086-022

Frequently Asked Questions

What is NSN 2990-01-010-5085?

NSN 2990-01-010-5085 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 2990-01-010-5085?

NSN 2990-01-010-5085 has 4 cross-referenced part numbers: 93609 (Ap Parts Co Industrial Sales Div), 6262765 (General Motors Corp Chevrolet Motor Div Special Products Dept), 40346 (Walker Mfg Co), 6262765 (General Motors Llc Dba General Motors Llc).

What NSN replaces 2990-01-010-5085?

There are 7 known substitutes for 2990-01-010-5085: 5310-00-037-6902, 5961-00-089-7448, 3455-00-293-0524 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40346?

Key specifications for 40346: Surface Treatment: ALUMINUM; Nominal Outside Diameter: 2.380 INCHES IN; Material: STEEL. 3 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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