PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ELB0WXINVERTEDFLAREElbow,tube

Society of Automotive Engineers Inc · NSN 4730-00-278-3690 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-3690 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-3690. Primary manufacturer part number: ELB0WXINVERTEDFLARE.
Features
  • Elbow,tube — FSC 4730
  • Seat Angle: 42.0 DEGREES ALL ENDS
  • Leg Length: 0.750 INCHES NOMINAL ALL ENDS IN
  • Material: COPPER ALLOY OVERALL
  • Flow Angle: 90.0 DEGREES
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN
  • Connection Style: INVERTED FLARE (TUBE) ALL ENDS
  • Nominal Thread Size: 0.625 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-278-3690, 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 Society of Automotive Engineers Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-3690
Primary Part NumberELB0WXINVERTEDFLARE
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Seat Angle42.0 DEGREES ALL ENDS
Leg Length0.750 INCHES NOMINAL ALL ENDS IN
MaterialCOPPER ALLOY OVERALL
Flow Angle90.0 DEGREES
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Connection StyleINVERTED FLARE (TUBE) ALL ENDS
Nominal Thread Size0.625 INCHES ALL ENDS IN
Thread Class2B ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Connection TypeTHREADED INTERNAL TUBE ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-277-4010B22-47630 INTERCHANGEABLE
Elbow,pipe to Tube
Brunswick Corp Dba Mercury Marine Div Mercury Marine
4730-00-277-9166402X12 INTERCHANGEABLE
Elbow,pipe to Tube
Danfoss Power Solutions II, Llc
4730-00-289-4057SAE J512 6-6 040202B INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-00-289-4069 INTERCHANGEABLE
Elbow,tube
4730-00-716-4928502X5 INTERCHANGEABLE
Elbow,tube
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
ELB0WXINVERTEDFLARE Society of Automotive Engineers Inc (USA)
ELB0WXINVERTEDFLARE Sae International Dba Sae International (USA)
Related Parts
4730-00-277-4010INTERCHANGEABLE
ELBOW,PIPE TO TUBE
B22-47630
4730-00-277-9166INTERCHANGEABLE
ELBOW,PIPE TO TUBE
402X12
4730-00-289-4057INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 6-6 040202B
4730-00-289-4069INTERCHANGEABLE
ELBOW,TUBE
4730-00-716-4928INTERCHANGEABLE
ELBOW,TUBE
502X5

Frequently Asked Questions

What is NSN 4730-00-278-3690?

NSN 4730-00-278-3690 is a Elbow,tube, manufactured by Society of Automotive Engineers Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-3690?

NSN 4730-00-278-3690 has 2 cross-referenced part numbers: ELB0WXINVERTEDFLARE (Society of Automotive Engineers Inc), ELB0WXINVERTEDFLARE (Sae International Dba Sae International).

What NSN replaces 4730-00-278-3690?

There are 5 known substitutes for 4730-00-278-3690: 4730-00-277-4010, 4730-00-277-9166, 4730-00-289-4057 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ELB0WXINVERTEDFLARE?

Key specifications for ELB0WXINVERTEDFLARE: Seat Angle: 42.0 DEGREES ALL ENDS; Leg Length: 0.750 INCHES NOMINAL ALL ENDS IN; Material: COPPER ALLOY OVERALL; Flow Angle: 90.0 DEGREES. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-3690 still in active supply?

NSN 4730-00-278-3690 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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