PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103518Reducer,pipe

Yarning Gray Pty Ltd · NSN 4730-01-690-0027 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-690-0027 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-690-0027. Primary manufacturer part number: 103518.
Features
  • Reducer,pipe — FSC 4730
  • Material: STEEL COMP 304 OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Yarning Gray Pty Ltd
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-690-0027, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Yarning Gray Pty Ltd. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN4730-01-690-0027
Primary Part Number103518
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerYarning Gray Pty Ltd
StatusACTIVE
MaterialSTEEL COMP 304 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6610-00-102-9221103518 INTERCHANGEABLE
Plate,front,indicat
Astronautics Corporation of America
3030-00-264-3054103518 INTERCHANGEABLE
Belt,v
Allianz Sweeper Company
4130-00-654-6188 INTERCHANGEABLE
Track,right
Cross-Reference Index
Part NumberManufacturer
103518 Yarning Gray Pty Ltd (AUS)
103518 Vianney Industries, Llc Dba Midland Metal Manufacturing Company (USA)
103518 Watmar Engineering Trust the Trustee for Watmarine (AUS)
Related Parts
6610-00-102-9221INTERCHANGEABLE
PLATE,FRONT,INDICAT
103518
3030-00-264-3054INTERCHANGEABLE
BELT,V
103518
4130-00-654-6188INTERCHANGEABLE
TRACK,RIGHT

Frequently Asked Questions

What is NSN 4730-01-690-0027?

NSN 4730-01-690-0027 is a Reducer,pipe, manufactured by Yarning Gray Pty Ltd, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-690-0027?

NSN 4730-01-690-0027 has 3 cross-referenced part numbers: 103518 (Yarning Gray Pty Ltd), 103518 (Vianney Industries, Llc Dba Midland Metal Manufacturing Company), 103518 (Watmar Engineering Trust the Trustee for Watmarine).

What NSN replaces 4730-01-690-0027?

There are 3 known substitutes for 4730-01-690-0027: 6610-00-102-9221, 3030-00-264-3054, 4130-00-654-6188. Verify interchangeability with system specifications before substitution.

What are the specifications of 103518?

Key specifications for 103518: Part Name Assigned by Controlling Agency: HEX BUSHING; Material: STEEL COMP 304 OVERALL. 2 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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