PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2491FHD-6-2Elbow,pipe to Tube

Parker-Hannifin Corp Div Fluid System Connector Division · NSN 4730-00-457-8471 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-457-8471 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-457-8471. Primary manufacturer part number: 2491FHD-6-2.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Flow Angle: 90.0 DEGREES
  • Seat Angle: 42.0 DEGREES FIRST END
  • Material Document and Classification: SAE CA360 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Leg Length: 0.730 INCHES NOMINAL FIRST END IN
  • Material: COPPER ALLOY 360 OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-457-8471, 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 Corp Div Fluid System Connector Division. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-457-8471
Primary Part Number2491FHD-6-2
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corp Div Fluid System Connector Division
StatusACTIVE
Flow Angle90.0 DEGREES
Seat Angle42.0 DEGREES FIRST END
Material Document and ClassificationSAE CA360 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Leg Length0.730 INCHES NOMINAL FIRST END IN
MaterialCOPPER ALLOY 360 OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Leg Length0.720 INCHES NOMINAL SECOND END IN
Nominal Thread Size0.625 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Connection StylePLAIN (PIPE) SECOND END
Thread Class2B FIRST END
Connection StylePLAIN (PIPE) FIRST END
Thread Series DesignatorNPTF SECOND END
Thread Series DesignatorUNF FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-880-46591496A-11-2 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5305-01-101-9427187-322 INTERCHANGEABLE
Screw,tapping
Cnh Industrial America Llc Dba Cnh America
6625-01-620-5808620402-02 INTERCHANGEABLE
Synthesizer,electrical Frequency
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
6-2 040202B Society of Automotive Engineers Inc (USA)
10558866 General Dynamics Land Systems Canadacorp (CAN)
402X6X2 Hayes-Dana Ltd Corporate Offices Corporate Offices (CAN)
149-6A Fairview Fittings and Mfg Ltd (CAN)
6-2 040202B Sae International Dba Sae International (USA)
2491FHD-6-2 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
SAE J514 6-2 040202B PRIMARY Sae International Dba Sae International (USA)
J514 Sae International Dba Sae International (USA)
00252-0849 Harsco Corp Bmy-Combat Systems Div (USA)
400X6X2 Dana Corp Weatherhead Div (USA)
187322 Harsco Corp Bmy-Combat Systems Div (USA)
187322 General Motors Corp (USA)
J514 Society of Automotive Engineers Inc (USA)
6-2 040202 Society of Automotive Engineers Inc (USA)
SAE-J514 Sae International Dba Sae International (USA)
Related Parts
5940-00-880-4659INTERCHANGEABLE
TERMINAL,STUD
1496A-11-2
5305-01-101-9427INTERCHANGEABLE
SCREW,TAPPING
187-322
6625-01-620-5808INTERCHANGEABLE
SYNTHESIZER,ELECTRICAL FREQUENCY
620402-02

Frequently Asked Questions

What is NSN 4730-00-457-8471?

NSN 4730-00-457-8471 is a Elbow,pipe to Tube, manufactured by Parker-Hannifin Corp Div Fluid System Connector Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-457-8471?

NSN 4730-00-457-8471 has 15 cross-referenced part numbers: 6-2 040202B (Society of Automotive Engineers Inc), 10558866 (General Dynamics Land Systems Canadacorp), 402X6X2 (Hayes-Dana Ltd Corporate Offices Corporate Offices), 149-6A (Fairview Fittings and Mfg Ltd), 6-2 040202B (Sae International Dba Sae International) and 10 more.

What NSN replaces 4730-00-457-8471?

There are 3 known substitutes for 4730-00-457-8471: 5940-00-880-4659, 5305-01-101-9427, 6625-01-620-5808. Verify interchangeability with system specifications before substitution.

What are the specifications of 2491FHD-6-2?

Key specifications for 2491FHD-6-2: Flow Angle: 90.0 DEGREES; Seat Angle: 42.0 DEGREES FIRST END; Material Document and Classification: SAE CA360 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Connection Type: THREADED EXTERNAL PIPE SECOND END. 17 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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