PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

169C-4-4Elbow,pipe to Tube

Parker-Hannifin Corp Div Fluid System Connector Division · NSN 4730-00-278-3825 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-3825 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-3825. Primary manufacturer part number: 169C-4-4.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Thread Quantity Per Inch: 24 FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE AND 1 COUPLING SLEEVE
  • Leg Length: 0.719 INCHES NOMINAL FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Leg Length: 0.938 INCHES NOMINAL SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-278-3825, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-3825
Primary Part Number169C-4-4
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corp Div Fluid System Connector Division
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Thread Quantity Per Inch24 FIRST END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE AND 1 COUPLING SLEEVE
Leg Length0.719 INCHES NOMINAL FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Leg Length0.938 INCHES NOMINAL SECOND END IN
Nominal Thread Size0.438 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Thread Series DesignatorUNS FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Seat Nominal Radius0.063 INCHES FIRST END IN
Connection StyleCOMPRESSION (TUBE) FIRST END
Thread Series DesignatorNPTF SECOND END
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Thread Class2A FIRST END A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-278-4740SAE J512 5-2 060202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-00-287-1766SAE J512 4-2 060202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-00-426-8352SAE J512 10-8 060202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-00-430-4389SAE J512 7-4 060202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-00-816-4899SAE J512 8-8 060202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5910-00-924-4480 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Cross-Reference Index
Part NumberManufacturer
69F Imperial (USA)
169C-4-4 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
Related Parts
4730-00-278-4740INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 5-2 060202BA
4730-00-287-1766INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 4-2 060202BA
4730-00-426-8352INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 10-8 060202BA
4730-00-430-4389INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 7-4 060202BA
4730-00-816-4899INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 8-8 060202BA
5910-00-924-4480INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC

Frequently Asked Questions

What is NSN 4730-00-278-3825?

NSN 4730-00-278-3825 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: cancelled.

What are the part numbers for NSN 4730-00-278-3825?

NSN 4730-00-278-3825 has 2 cross-referenced part numbers: 69F (Imperial), 169C-4-4 (Parker-Hannifin Corp Div Fluid System Connector Division).

What NSN replaces 4730-00-278-3825?

There are 6 known substitutes for 4730-00-278-3825: 4730-00-278-4740, 4730-00-287-1766, 4730-00-426-8352 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 169C-4-4?

Key specifications for 169C-4-4: Material: COPPER ALLOY OVERALL; Thread Quantity Per Inch: 24 FIRST END; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE AND 1 COUPLING SLEEVE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-3825 still in active supply?

NSN 4730-00-278-3825 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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