PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R1-597Adapter,straight,pipe to Tube

Barber-Greene Co · NSN 4730-00-273-8561 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-273-8561 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-273-8561. Primary manufacturer part number: R1-597.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Nominal Overall Length: 1.420 INCHES IN
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Furnished Items and Quantity: 1 SHORT COUPLING NUT WITH SLEEVE
  • Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Thread Series Designator: NPTF SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 360 or Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-273-8561, 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 Barber-Greene Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-273-8561
Primary Part NumberR1-597
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBarber-Greene Co
StatusCANCELLED
Nominal Thread Size0.562 INCHES FIRST END IN
Nominal Overall Length1.420 INCHES IN
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Furnished Items and Quantity1 SHORT COUPLING NUT WITH SLEEVE
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Thread Series DesignatorNPTF SECOND END
MaterialCOPPER ALLOY 360 OR COPPER ALLOY OVERALL
Connection StyleCOMPRESSION (TUBE) FIRST END
Thread Class2A FIRST END A
Seat Nominal Radius0.062 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Thread Series DesignatorUNEF FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.250 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-270-4621701X7-16X1-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
United Technologies Automotive Inc Components Div
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-278-4574SAE J512 6-4 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-278-8561 INTERCHANGEABLE
Nut,tube Coupling
4730-00-289-5227 INTERCHANGEABLE
Adapter,straight,pipe to Tube
5360-00-321-5835316767 INTERCHANGEABLE
Spring,helical,torsion
Chrysler Realty Company Llc Dba Daimler Chrysler
3120-00-352-5877 INTERCHANGEABLE
Bearing,sleeve
4920-00-391-0382T100964 INTERCHANGEABLE
Tester,mock-Up
Lockheed Martin Corporation Div Rms - Mitchel Field
4730-00-684-7223SAE J512 6-8 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5305-00-802-8988C2300-0045 INTERCHANGEABLE
Screw,shoulder
Circor Aerospace, Inc. Dba Circor Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
R1-597 Barber-Greene Co (USA)
913009 Aqua-Chem Inc Cleaver-Brooks Div (USA)
28888 Davey Compressor Co Div of Keco Industries Inc (USA)
D57 Kohler and Campbell Inc (USA)
896W68X6 Dana Corp Weatherhead Div (USA)
519 Economy Pump Corp (USA)
913127 Aqua-Chem Inc Cleaver-Brooks Div (USA)
0910943 Allis-Chalmers Corp (USA)
500704-7 Dana Corp Spicer Transmission Div (USA)
48-292195 Lucas Western Inc (USA)
T100964 Fmc Corp (USA)
68X6 Dana Corp Weatherhead Div (USA)
031L7E L3harris Technologies, Inc (USA)
0910943-0 Allis-Chalmers Corp (USA)
140286 General Motors Corp (USA)
MS39169-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
CA1208 Clark Equipment Co (USA)
44Z219D11 Morris Material Handling, Inc. (USA)
T100964 Peerless Pump a Tbg Inc Co (USA)
68C-6-4 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
Related Parts
4730-00-270-4621INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
701X7-16X1-4
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
4730-00-278-4574INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-4 060102BA
4730-00-278-8561INTERCHANGEABLE
NUT,TUBE COUPLING
4730-00-289-5227INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5360-00-321-5835INTERCHANGEABLE
SPRING,HELICAL,TORSION
316767
3120-00-352-5877INTERCHANGEABLE
BEARING,SLEEVE
4920-00-391-0382INTERCHANGEABLE
TESTER,MOCK-UP
T100964
4730-00-684-7223INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-8 060102BA
5305-00-802-8988INTERCHANGEABLE
SCREW,SHOULDER
C2300-0045
5330-01-022-5499INTERCHANGEABLE
PACKING,PREFORMED
9131009-01
4810-01-101-9513INTERCHANGEABLE
VALVE,SOLENOID
913127-1

Frequently Asked Questions

What is NSN 4730-00-273-8561?

NSN 4730-00-273-8561 is a Adapter,straight,pipe to Tube, manufactured by Barber-Greene Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-273-8561?

NSN 4730-00-273-8561 has 26 cross-referenced part numbers: R1-597 (Barber-Greene Co), 913009 (Aqua-Chem Inc Cleaver-Brooks Div), 28888 (Davey Compressor Co Div of Keco Industries Inc), D57 (Kohler and Campbell Inc), 896W68X6 (Dana Corp Weatherhead Div) and 21 more.

What NSN replaces 4730-00-273-8561?

There are 12 known substitutes for 4730-00-273-8561: 4730-00-270-4621, 4730-00-278-4357, 4730-00-278-4574 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R1-597?

Key specifications for R1-597: Nominal Thread Size: 0.562 INCHES FIRST END IN; Special Features: SUPPORTS HARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN 3810-00-151-4431; Nominal Overall Length: 1.420 INCHES IN; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-273-8561 still in active supply?

NSN 4730-00-273-8561 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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