PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

947-3-4Adapter,straight,tube to Hose

Mid-State Sales, Inc. Div Defense Products Group · NSN 4730-00-055-8728 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-055-8728 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-055-8728. Primary manufacturer part number: 947-3-4.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Media for Which Designed: OIL FIRST RESPONSE
  • Media for Which Designed: AIR THIRD RESPONSE
  • Material: COPPER ALLOY BODY
  • Nominal Outside Diameter Tube Accommodated: 0.188 INCHES FIRST END IN
  • Material: PLASTIC OR PLASTIC POLYTETRAFLUOROETHYLENE CAP
  • Nominal Overall Length: 1.688 INCHES IN
  • Thread Series Designator: UNF FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Body construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-055-8728, 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 Mid-State Sales, Inc. Div Defense Products Group. Government technical data includes 20 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
NSN4730-00-055-8728
Primary Part Number947-3-4
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMid-State Sales, Inc. Div Defense Products Group
StatusACTIVE
Media for Which DesignedOIL FIRST RESPONSE
Media for Which DesignedAIR THIRD RESPONSE
MaterialCOPPER ALLOY BODY
Nominal Outside Diameter Tube Accommodated0.188 INCHES FIRST END IN
MaterialPLASTIC OR PLASTIC POLYTETRAFLUOROETHYLENE CAP
Nominal Overall Length1.688 INCHES IN
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.375 INCHES FIRST END IN
Media for Which DesignedFUEL SECOND RESPONSE
Seat Angle45.0 DEGREES FIRST END
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Tubing Wall Nominal Thickness for Which Designed0.030 INCHES FIRST END IN
Media for Which DesignedHYDRAULIC FLUID FIFTH RESPONSE
Maximum Operating Temp200.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection StyleSWIVEL NUT INVERTED FLARE (TUBE) FIRST END
Thread Class3A FIRST END A
Media for Which DesignedWATER FOURTH RESPONSE
Maximum Operating Temp-40.0 FAHRENHEIT SECOND RESPONSE DEGF
Connection StyleBARBED OR BEADED (HOSE) SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-01-221-7323 INTERCHANGEABLE
Adapter,straight,tube to Hose
3040-01-526-0723 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Cross-Reference Index
Part NumberManufacturer
KA04-03MF Imperial (USA)
947-3-4 PRIMARY Mid-State Sales, Inc. Div Defense Products Group (USA)
10004B-B03 Mid-State Sales, Inc. Div Defense Products Group (USA)
328KA-3-4 Parker Hannifin Corp Hose Products Div (USA)
Related Parts
4730-01-221-7323INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
3040-01-526-0723INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE

Frequently Asked Questions

What is NSN 4730-00-055-8728?

NSN 4730-00-055-8728 is a Adapter,straight,tube to Hose, manufactured by Mid-State Sales, Inc. Div Defense Products Group, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-055-8728?

NSN 4730-00-055-8728 has 4 cross-referenced part numbers: KA04-03MF (Imperial), 947-3-4 (Mid-State Sales, Inc. Div Defense Products Group), 10004B-B03 (Mid-State Sales, Inc. Div Defense Products Group), 328KA-3-4 (Parker Hannifin Corp Hose Products Div).

What NSN replaces 4730-00-055-8728?

There are 2 known substitutes for 4730-00-055-8728: 4730-01-221-7323, 3040-01-526-0723. Verify interchangeability with system specifications before substitution.

What are the specifications of 947-3-4?

Key specifications for 947-3-4: Media for Which Designed: OIL FIRST RESPONSE; Media for Which Designed: AIR THIRD RESPONSE; Material: COPPER ALLOY BODY; Nominal Outside Diameter Tube Accommodated: 0.188 INCHES FIRST END IN. 21 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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