PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1787809Elbow,pipe to Tube

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4730-00-489-8202 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-489-8202 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-489-8202. Primary manufacturer part number: 1787809.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Surface Treatment: PHOSPHATE OVERALL
  • Furnished Items and Quantity: 1 SHORT COUPLING NUT AND 1 PREFORMED PACKING AND 1 TAILPIECE
  • Flow Angle: 90.0 DEGREES
  • Material: STEEL OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN
  • Nominal Thread Size: 0.750 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-489-8202, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-489-8202
Primary Part Number1787809
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Surface TreatmentPHOSPHATE OVERALL
Furnished Items and Quantity1 SHORT COUPLING NUT AND 1 PREFORMED PACKING AND 1 TAILPIECE
Flow Angle90.0 DEGREES
MaterialSTEEL OVERALL
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Nominal Thread Size0.750 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StyleGASKET SEAL, COMPRESSION (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Pipe Size Accommodated0.750 INCHES SECOND END IN
Leg Length1.094 INCHES NOMINAL FIRST END IN
Leg Length1.281 INCHES NOMINAL SECOND END IN
Thread Series DesignatorUN FIRST END
Connection StylePLAIN (PIPE) SECOND END
Thread Class2A FIRST END A
Maximum Operating Temp135.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Quantity Per Inch12 FIRST END
Nominal Thread Size1.125 INCHES FIRST END IN
Operating Pressure2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorNPTF SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5331-00-231-3261574-2200-812408REVAPC13 INTERCHANGEABLE
O-Ring
Naval Ship Systems Command
4730-00-321-6143 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
4730-00-321-6144165-12MF INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Lenz Inc Dba the Lenz Company
5365-00-437-87862256897PC6 INTERCHANGEABLE
Spacer,ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-678-97231787809PC5 INTERCHANGEABLE
Nut,tube Coupling
Lenz Inc Dba the Lenz Company
4730-00-684-4402165-4 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Lenz Inc Dba the Lenz Company
5365-00-899-91572256897PC4 INTERCHANGEABLE
Spacer,ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5995-01-232-46811655796 INTERCHANGEABLE
Cable Assembly,radio Frequency
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
1787809 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
400-12MF Lenz Inc Dba the Lenz Company (USA)
1655818 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1655796-14 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1787810 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1655796 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2256897 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
AN6227 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5331-00-231-3261INTERCHANGEABLE
O-RING
574-2200-812408REVAPC13
4730-00-321-6143INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
4730-00-321-6144INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
165-12MF
5365-00-437-8786INTERCHANGEABLE
SPACER,RING
2256897PC6
4730-00-678-9723INTERCHANGEABLE
NUT,TUBE COUPLING
1787809PC5
4730-00-684-4402INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
165-4
5365-00-899-9157INTERCHANGEABLE
SPACER,RING
2256897PC4
5995-01-232-4681INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
1655796

Frequently Asked Questions

What is NSN 4730-00-489-8202?

NSN 4730-00-489-8202 is a Elbow,pipe to Tube, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-489-8202?

NSN 4730-00-489-8202 has 8 cross-referenced part numbers: 1787809 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 400-12MF (Lenz Inc Dba the Lenz Company), 1655818 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1655796-14 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1787810 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 3 more.

What NSN replaces 4730-00-489-8202?

There are 8 known substitutes for 4730-00-489-8202: 5331-00-231-3261, 4730-00-321-6143, 4730-00-321-6144 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1787809?

Key specifications for 1787809: Surface Treatment: PHOSPHATE OVERALL; Furnished Items and Quantity: 1 SHORT COUPLING NUT AND 1 PREFORMED PACKING AND 1 TAILPIECE; Flow Angle: 90.0 DEGREES; Material: STEEL 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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