PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-6FBUSSAdapter,straight,pipe to Tube

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-871-2343 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-871-2343 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-871-2343. Primary manufacturer part number: 6-6FBUSS.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Thread Series Designator: NPTF SECOND END
  • Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Style: FLARELESS (TUBE) FIRST END
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-871-2343, 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 Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-871-2343
Primary Part Number6-6FBUSS
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusCANCELLED
Thread Series DesignatorNPTF SECOND END
Nominal Pipe Size Accommodated0.375 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleFLARELESS (TUBE) FIRST END
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.562 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.375 INCHES SECOND END IN
Nominal Overall Length1.344 INCHES IN
Seat Angle12.0 DEGREES FIRST END
Thread Class2A FIRST END A
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Connection StylePLAIN (PIPE) SECOND END
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE
MaterialSTEEL COMP 316 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5930-00-306-0946B-53720-1 INTERCHANGEABLE
Switch,push
Maycor Appliance Parts and Service Co Div of Maytag Corp
4730-01-219-7750 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
6-6FBUSS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
44292 Davey Compressor Co Div of Keco Industries Inc (USA)
6-6FBUSS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
6532C896-1 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
6-6FBUSS PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
CG10-701-2134578REVGPC176 Naval Ship Systems Command (USA)
56432-2 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5930-00-306-0946INTERCHANGEABLE
SWITCH,PUSH
B-53720-1
4730-01-219-7750INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-00-871-2343?

NSN 4730-00-871-2343 is a Adapter,straight,pipe to Tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-871-2343?

NSN 4730-00-871-2343 has 7 cross-referenced part numbers: 6-6FBUSS (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 44292 (Davey Compressor Co Div of Keco Industries Inc), 6-6FBUSS (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 6532C896-1 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 6-6FBUSS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division) and 2 more.

What NSN replaces 4730-00-871-2343?

There are 2 known substitutes for 4730-00-871-2343: 5930-00-306-0946, 4730-01-219-7750. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-6FBUSS?

Key specifications for 6-6FBUSS: Thread Series Designator: NPTF SECOND END; Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Style: FLARELESS (TUBE) FIRST END. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-871-2343 still in active supply?

NSN 4730-00-871-2343 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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