PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44-453Coupling,pipe

Vianney Industries, Llc Dba Midland Metal Manufacturing Company · NSN 4730-01-665-2956 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-665-2956 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-665-2956. Primary manufacturer part number: 44-453.
Features
  • Coupling,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 2.000 INCHES FIRST END IN
  • Nominal Pipe Size Accommodated: 1.250 INCHES SECOND END IN
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Flange Shape: ROUND ALL ENDS
  • 1 verified cross-reference
  • Primary manufacturer: Vianney Industries, Llc Dba Midland Metal Manufacturing Company
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-665-2956, 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 Vianney Industries, Llc Dba Midland Metal Manufacturing Company. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-665-2956
Primary Part Number44-453
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVianney Industries, Llc Dba Midland Metal Manufacturing Company
StatusACTIVE
Nominal Pipe Size Accommodated2.000 INCHES FIRST END IN
Nominal Pipe Size Accommodated1.250 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Flange ShapeROUND ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6630-01-153-6986444-53 INTERCHANGEABLE
Water Sampling Test Reagent,fluo
Hach Company Dba Hach Co
6105-01-258-5881QT9704-A INTERCHANGEABLE
Motor,torque
Kollmorgen Corp
Cross-Reference Index
Part NumberManufacturer
44-453 Vianney Industries, Llc Dba Midland Metal Manufacturing Company (USA)
Related Parts
6630-01-153-6986INTERCHANGEABLE
WATER SAMPLING TEST REAGENT,FLUO
444-53
6105-01-258-5881INTERCHANGEABLE
MOTOR,TORQUE
QT9704-A

Frequently Asked Questions

What is NSN 4730-01-665-2956?

NSN 4730-01-665-2956 is a Coupling,pipe, manufactured by Vianney Industries, Llc Dba Midland Metal Manufacturing Company, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-665-2956?

NSN 4730-01-665-2956 has 1 cross-referenced part number: 44-453 (Vianney Industries, Llc Dba Midland Metal Manufacturing Company).

What NSN replaces 4730-01-665-2956?

There are 2 known substitutes for 4730-01-665-2956: 6630-01-153-6986, 6105-01-258-5881. Verify interchangeability with system specifications before substitution.

What are the specifications of 44-453?

Key specifications for 44-453: Nominal Pipe Size Accommodated: 2.000 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 1.250 INCHES SECOND END IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Flange Shape: ROUND ALL ENDS. 6 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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