PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

259-2024-4-6Elbow,pipe to Tube

Danfoss Power Solutions II, Llc · NSN 4730-01-309-9977 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-309-9977 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-309-9977. Primary manufacturer part number: 259-2024-4-6.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Thread Class: 2A FIRST END A
  • Nondefinitive Spec/std Data: 4A FIGURE A
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Seat Angle: 37.0 DEGREES FIRST END
  • Specification/standard Data: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Leg Length: 1.130 INCHES NOMINAL FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-309-9977, 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 Danfoss Power Solutions II, Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-309-9977
Primary Part Number259-2024-4-6
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Thread Class2A FIRST END A
Nondefinitive Spec/std Data4A FIGURE A
Nominal Thread Size0.375 INCHES SECOND END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Seat Angle37.0 DEGREES FIRST END
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Leg Length1.130 INCHES NOMINAL FIRST END IN
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE
Thread Series DesignatorUNF FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.438 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Flow Angle90.0 DEGREES
Thread Series DesignatorNPTF SECOND END
Connection StylePLAIN (PIPE) SECOND END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Leg Length1.220 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-01-398-85282023-6-8B INTERCHANGEABLE
Elbow,pipe to Tube
Danfoss Power Solutions II, Llc
4730-01-399-10653914579 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cummins Inc.
4720-01-399-1853CF-02 INTERCHANGEABLE
Parts Kit,hose Assembly,nonmetal
Hynautic Inc Div of Sta-Rite Industries Inc
2040-01-399-5793328-6A INTERCHANGEABLE
Connector,thru-Hull
Perko Inc
4820-01-406-0358BBV-38 INTERCHANGEABLE
Valve,ball
Dvcc, Llc
4820-01-406-0360BBV-25 INTERCHANGEABLE
Valve,ball
Dvcc, Llc
4320-01-407-0986 INTERCHANGEABLE
Parts Kit,reciprocating Pump
4320-01-407-0990WS-280B INTERCHANGEABLE
Pump,reciprocating
Imtra Corp
4320-01-407-0993WSK-280 INTERCHANGEABLE
Parts Kit,reciprocating Pump
Imtra Corp
Cross-Reference Index
Part NumberManufacturer
5105293 Naval Sea Systems Command (USA)
J514 Society of Automotive Engineers Inc (USA)
4-6 070202SA Society of Automotive Engineers Inc (USA)
4-6CBTX-SS Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
4-6CBTX-SS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
5105293 PC 25 Naval Sea Systems Command (USA)
259-2024-4-6 PRIMARY Danfoss Power Solutions II, Llc (USA)
Related Parts
4730-01-398-8528INTERCHANGEABLE
ELBOW,PIPE TO TUBE
2023-6-8B
4730-01-399-1065INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
3914579
4720-01-399-1853INTERCHANGEABLE
PARTS KIT,HOSE ASSEMBLY,NONMETAL
CF-02
2040-01-399-5793INTERCHANGEABLE
CONNECTOR,THRU-HULL
328-6A
4820-01-406-0358INTERCHANGEABLE
VALVE,BALL
BBV-38
4820-01-406-0360INTERCHANGEABLE
VALVE,BALL
BBV-25
4320-01-407-0986INTERCHANGEABLE
PARTS KIT,RECIPROCATING PUMP
4320-01-407-0990INTERCHANGEABLE
PUMP,RECIPROCATING
WS-280B
4320-01-407-0993INTERCHANGEABLE
PARTS KIT,RECIPROCATING PUMP
WSK-280

Frequently Asked Questions

What is NSN 4730-01-309-9977?

NSN 4730-01-309-9977 is a Elbow,pipe to Tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-309-9977?

NSN 4730-01-309-9977 has 7 cross-referenced part numbers: 5105293 (Naval Sea Systems Command), J514 (Society of Automotive Engineers Inc), 4-6 070202SA (Society of Automotive Engineers Inc), 4-6CBTX-SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 4-6CBTX-SS (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 2 more.

What NSN replaces 4730-01-309-9977?

There are 9 known substitutes for 4730-01-309-9977: 4730-01-398-8528, 4730-01-399-1065, 4720-01-399-1853 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 259-2024-4-6?

Key specifications for 259-2024-4-6: Thread Class: 2A FIRST END A; Nondefinitive Spec/std Data: 4A FIGURE A; Nominal Thread Size: 0.375 INCHES SECOND END IN; Material: STEEL CORROSION RESISTING OVERALL. 20 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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