PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3/4X1/4PTR-SAdapter,straight,pipe to Hose

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-01-050-5756 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-050-5756 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-050-5756. Primary manufacturer part number: 3/4X1/4PTR-S.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Connection Type: THREADED EXTERNAL HOSE FIRST END
  • Thread Class: 3A FIRST END A
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Thread Quantity Per Inch: 12 FIRST END
  • Thread Series Designator: NH FIRST END
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-050-5756, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN4730-01-050-5756
Primary Part Number3/4X1/4PTR-S
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Connection TypeTHREADED EXTERNAL HOSE FIRST END
Thread Class3A FIRST END A
Nominal Thread Size0.750 INCHES FIRST END IN
Thread Quantity Per Inch12 FIRST END
Thread Series DesignatorNH FIRST END
MaterialSTEEL OVERALL
Nominal Thread Size0.500 INCHES SECOND END IN
Nominal Overall Length1.125 INCHES IN
Thread Series DesignatorNPTF SECOND END
Connection StyleSWIVEL, PLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Furnished Items and Quantity1 HOSE COUPLING NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-278-391712-4 140140C INTERCHANGEABLE
Bushing,pipe
Sae International Dba Sae International
4730-01-127-62743/4X1/4PTR-SS INTERCHANGEABLE
Bushing,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
Cross-Reference Index
Part NumberManufacturer
3/4X1/4PRT-S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
3/4X1/4PTR-S PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
3/4X1/4PRT-S Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
142C734H02 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
4730-00-278-3917INTERCHANGEABLE
BUSHING,PIPE
12-4 140140C
4730-01-127-6274INTERCHANGEABLE
BUSHING,PIPE
3/4X1/4PTR-SS

Frequently Asked Questions

What is NSN 4730-01-050-5756?

NSN 4730-01-050-5756 is a Adapter,straight,pipe to Hose, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-050-5756?

NSN 4730-01-050-5756 has 4 cross-referenced part numbers: 3/4X1/4PRT-S (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 3/4X1/4PTR-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 3/4X1/4PRT-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 142C734H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 4730-01-050-5756?

There are 2 known substitutes for 4730-01-050-5756: 4730-00-278-3917, 4730-01-127-6274. Verify interchangeability with system specifications before substitution.

What are the specifications of 3/4X1/4PTR-S?

Key specifications for 3/4X1/4PTR-S: Connection Type: THREADED EXTERNAL HOSE FIRST END; Thread Class: 3A FIRST END A; Nominal Thread Size: 0.750 INCHES FIRST END IN; Thread Quantity Per Inch: 12 FIRST END. 12 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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