PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DX3590ATAdapter,straight,pipe to Tube

Diamond Reo Truck Co · NSN 4730-00-278-4322 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-4322 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-4322. Primary manufacturer part number: DX3590AT.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Nominal Thread Size: 0.688 INCHES FIRST END IN
  • Furnished Items and Quantity: 1 FERRULE SLEEVE AND 1 SHORT COUPLING NUT
  • Seat Nominal Radius: 0.062 INCHES FIRST END IN
  • Thread Quantity Per Inch: 20 FIRST END
  • Connection Style: COMPRESSION (TUBE) FIRST END
  • Thread Series Designator: UN FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-278-4322, 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 Diamond Reo Truck Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-4322
Primary Part NumberDX3590AT
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDiamond Reo Truck Co
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.688 INCHES FIRST END IN
Furnished Items and Quantity1 FERRULE SLEEVE AND 1 SHORT COUPLING NUT
Seat Nominal Radius0.062 INCHES FIRST END IN
Thread Quantity Per Inch20 FIRST END
Connection StyleCOMPRESSION (TUBE) FIRST END
Thread Series DesignatorUN FIRST END
Nominal Thread Size0.375 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) SECOND END
Nominal Overall Length1.219 INCHES IN
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Pipe Size Accommodated0.375 INCHES SECOND END IN
Thread Class2A FIRST END A
Specification/standard Data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data12A FIGURE A
Thread Series DesignatorNPTF SECOND END
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
1680-00-161-689453-810100-3 INTERCHANGEABLE
Panel Assembly,illuminating
The Boeing Company Div Defense
5330-00-178-75621B8212 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5950-00-572-7158 INTERCHANGEABLE
Transformer,power
3110-01-175-0414 INTERCHANGEABLE
Bearing,ball,annular
4730-01-283-49395520K286 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mcmaster-Carr Supply Co
6625-01-330-099111060A INTERCHANGEABLE
Lead,test
Keysight Technologies Inc
5930-01-598-8966120132 INTERCHANGEABLE
Switch,push
Aiphone Corporation
Cross-Reference Index
Part NumberManufacturer
DX3590AT Diamond Reo Truck Co (USA)
J512 Society of Automotive Engineers Inc (USA)
W68X8 Dana Corp Weatherhead Div (USA)
8-6 060102BA Society of Automotive Engineers Inc (USA)
P28933 Davey Compressor Co Div of Keco Industries Inc (USA)
68X8 Dana Corp Warehouse Opns Fort Wayne Warehouse (USA)
120132 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
J512 Sae International Dba Sae International (USA)
X5102 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
MS39169-17 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5520K11 Mcmaster-Carr Supply Co (USA)
68X8 Dana Corp Weatherhead Div (USA)
8-6 060102BA Sae International Dba Sae International (USA)
5520K286 Mcmaster-Carr Supply Co (USA)
68-F-80X06 Imperial (USA)
268X8 Essex Brownell Inc. Div Essex Group Inc (USA)
45-4250-200-050 Chief of Engineers Dept of Army (USA)
11060A Barnes Group Inc. Dba Barnes Distribution (USA)
P28933 Jenny Products, Inc (USA)
S3-1-2X3-8 Eaton Corp Controls Div (USA)
Related Parts
1680-00-161-6894INTERCHANGEABLE
PANEL ASSEMBLY,ILLUMINATING
53-810100-3
5330-00-178-7562INTERCHANGEABLE
SEAL,PLAIN ENCASED
1B8212
5950-00-572-7158INTERCHANGEABLE
TRANSFORMER,POWER
3110-01-175-0414INTERCHANGEABLE
BEARING,BALL,ANNULAR
4730-01-283-4939INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5520K286
6625-01-330-0991INTERCHANGEABLE
LEAD,TEST
11060A
5930-01-598-8966INTERCHANGEABLE
SWITCH,PUSH
120132

Frequently Asked Questions

What is NSN 4730-00-278-4322?

NSN 4730-00-278-4322 is a Adapter,straight,pipe to Tube, manufactured by Diamond Reo Truck Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-4322?

NSN 4730-00-278-4322 has 24 cross-referenced part numbers: DX3590AT (Diamond Reo Truck Co), J512 (Society of Automotive Engineers Inc), W68X8 (Dana Corp Weatherhead Div), 8-6 060102BA (Society of Automotive Engineers Inc), P28933 (Davey Compressor Co Div of Keco Industries Inc) and 19 more.

What NSN replaces 4730-00-278-4322?

There are 7 known substitutes for 4730-00-278-4322: 1680-00-161-6894, 5330-00-178-7562, 5950-00-572-7158 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DX3590AT?

Key specifications for DX3590AT: Material: COPPER ALLOY OVERALL; Nominal Thread Size: 0.688 INCHES FIRST END IN; Furnished Items and Quantity: 1 FERRULE SLEEVE AND 1 SHORT COUPLING NUT; Seat Nominal Radius: 0.062 INCHES FIRST END IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-4322 still in active supply?

NSN 4730-00-278-4322 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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