PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40509Adapter,straight,pipe to Tube

Taylor-Dunn Corporation Dba Metro Crown International · NSN 4730-01-321-6414 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-321-6414 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-321-6414. Primary manufacturer part number: 40509.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • 2 verified cross-references
  • Primary manufacturer: Taylor-Dunn Corporation Dba Metro Crown International
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-321-6414, 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 Taylor-Dunn Corporation Dba Metro Crown International. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4730-01-321-6414
Primary Part Number40509
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTaylor-Dunn Corporation Dba Metro Crown International
StatusACTIVE
Nominal Thread Size0.375 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-727-727840509 INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
3455-01-044-4150716-091616 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
6240-01-272-179740509 INTERCHANGEABLE
Lamp,metal Halide
Venture Lighting International, Inc. Dba Venture Lighting Intl
Cross-Reference Index
Part NumberManufacturer
40509 Taylor-Dunn Corporation Dba Metro Crown International (USA)
68CS-6-6 Parker Hannifin Canada Div Fluid Connectors Canada (CAN)
Related Parts
3110-00-727-7278INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
40509
3455-01-044-4150INTERCHANGEABLE
CUTTER,MILLING,END
716-091616
6240-01-272-1797INTERCHANGEABLE
LAMP,METAL HALIDE
40509

Frequently Asked Questions

What is NSN 4730-01-321-6414?

NSN 4730-01-321-6414 is a Adapter,straight,pipe to Tube, manufactured by Taylor-Dunn Corporation Dba Metro Crown International, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-321-6414?

NSN 4730-01-321-6414 has 2 cross-referenced part numbers: 40509 (Taylor-Dunn Corporation Dba Metro Crown International), 68CS-6-6 (Parker Hannifin Canada Div Fluid Connectors Canada).

What NSN replaces 4730-01-321-6414?

There are 3 known substitutes for 4730-01-321-6414: 3110-00-727-7278, 3455-01-044-4150, 6240-01-272-1797. Verify interchangeability with system specifications before substitution.

What are the specifications of 40509?

Key specifications for 40509: Nominal Thread Size: 0.375 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN. 4 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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