PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18503Pipe,exhaust

Itw Gse Inc. · NSN 2990-01-498-1417 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-498-1417 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-498-1417. Primary manufacturer part number: 18503.
Features
  • Pipe,exhaust — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Itw Gse Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-498-1417, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Itw Gse Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-498-1417
Primary Part Number18503
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerItw Gse Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3431-00-018-830345V26 INTERCHANGEABLE
Collet Body,welding Torch
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
3120-00-287-8054517415-12 INTERCHANGEABLE
Bearing,washer,thrust
Instruments and Flight Research, Inc.
5935-01-039-8390ST5M1291B1 INTERCHANGEABLE
Connector,receptacle,electrical
The Boeing Company Div Defense
5306-01-276-580218503 INTERCHANGEABLE
Bolt,eye
Jergens Inc Div Tooling Components Division
2530-01-287-445112758 INTERCHANGEABLE
Brake,shoe Type
Silver Eagle Manufacturing Co
6230-01-548-966780122 INTERCHANGEABLE
Reflector,lamp
Uke Corporation Dba Uke Corp Div Mustafa T Uke & Alan K Uke Partners
Cross-Reference Index
Part NumberManufacturer
18503 Itw Gse Inc. (USA)
18503 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
929025A Cummins Filtration Inc. (USA)
Related Parts
3431-00-018-8303INTERCHANGEABLE
COLLET BODY,WELDING TORCH
45V26
3120-00-287-8054INTERCHANGEABLE
BEARING,WASHER,THRUST
517415-12
5935-01-039-8390INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
ST5M1291B1
5306-01-276-5802INTERCHANGEABLE
BOLT,EYE
18503
2530-01-287-4451INTERCHANGEABLE
BRAKE,SHOE TYPE
12758
6230-01-548-9667INTERCHANGEABLE
REFLECTOR,LAMP
80122

Frequently Asked Questions

What is NSN 2990-01-498-1417?

NSN 2990-01-498-1417 is a Pipe,exhaust, manufactured by Itw Gse Inc., classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-498-1417?

NSN 2990-01-498-1417 has 3 cross-referenced part numbers: 18503 (Itw Gse Inc.), 18503 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 929025A (Cummins Filtration Inc.).

What NSN replaces 2990-01-498-1417?

There are 6 known substitutes for 2990-01-498-1417: 3431-00-018-8303, 3120-00-287-8054, 5935-01-039-8390 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18503?

Key specifications for 18503: End Item Identification: F/A-22 RAPTOR. 1 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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