PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6BTXBNut,tube Coupling

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-952-3119 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-952-3119 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-952-3119. Primary manufacturer part number: 6BTXB.
Features
  • Nut,tube Coupling — FSC 4730
  • Seat Angle: 37.0 DEGREES NOMINAL
  • Material: COPPER ALLOY 360 OVERALL
  • Material Document and Classification: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.720 INCHES NOMINAL IN
  • Length to Shoulder: 0.603 INCHES NOMINAL IN
  • Nominal Tube Outside Diameter: 0.375 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-00-952-3119, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-952-3119
Primary Part Number6BTXB
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusCANCELLED
Seat Angle37.0 DEGREES NOMINAL
MaterialCOPPER ALLOY 360 OVERALL
Material Document and ClassificationSAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.720 INCHES NOMINAL IN
Length to Shoulder0.603 INCHES NOMINAL IN
Nominal Tube Outside Diameter0.375 INCHES IN
Fabrication MethodMACHINED
Smallest Inside Diameter0.440 INCHES NOMINAL IN
Thread Class2B
Thread Quantity Per Inch18
Thread SeriesUNF
Width Across Flats0.688 INCHES NOMINAL IN
Nominal Thread Size0.562 INCHES IN
Nut StyleTUBE COUPLING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-401-371310BTXB INTERCHANGEABLE
Nut,tube Coupling
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-00-555-2895 INTERCHANGEABLE
Nut,tube Coupling
4730-00-618-85895BTX-B INTERCHANGEABLE
Nut,tube Coupling
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-00-684-72521290-8B INTERCHANGEABLE
Nut,tube Coupling
Danfoss Power Solutions II, Llc
4730-00-889-61102BTXB INTERCHANGEABLE
Nut,tube Coupling
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-00-897-2042 INTERCHANGEABLE
Nut,tube Coupling
4730-00-947-297516BTXB INTERCHANGEABLE
Nut,tube Coupling
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-00-965-1186SAE J514/1 12 070110B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
4730-01-010-014316BTXD INTERCHANGEABLE
Nut,tube Coupling
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-01-223-2492 INTERCHANGEABLE
Nut,tube Coupling
Cross-Reference Index
Part NumberManufacturer
8490852 Us Army Aviation and Missile Command (USA)
6BTX-B Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
11240409-19 Ballistic Missile Defense Systems Command (USA)
11240409 Ballistic Missile Defense Systems Command (USA)
6BTXB Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
6BTXB PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
Related Parts
4730-00-401-3713INTERCHANGEABLE
NUT,TUBE COUPLING
10BTXB
4730-00-555-2895INTERCHANGEABLE
NUT,TUBE COUPLING
4730-00-618-8589INTERCHANGEABLE
NUT,TUBE COUPLING
5BTX-B
4730-00-684-7252INTERCHANGEABLE
NUT,TUBE COUPLING
1290-8B
4730-00-889-6110INTERCHANGEABLE
NUT,TUBE COUPLING
2BTXB
4730-00-897-2042INTERCHANGEABLE
NUT,TUBE COUPLING
4730-00-947-2975INTERCHANGEABLE
NUT,TUBE COUPLING
16BTXB
4730-00-965-1186INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J514/1 12 070110B
4730-01-010-0143INTERCHANGEABLE
NUT,TUBE COUPLING
16BTXD
4730-01-223-2492INTERCHANGEABLE
NUT,TUBE COUPLING

Frequently Asked Questions

What is NSN 4730-00-952-3119?

NSN 4730-00-952-3119 is a Nut,tube Coupling, 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 4730-00-952-3119?

NSN 4730-00-952-3119 has 6 cross-referenced part numbers: 8490852 (Us Army Aviation and Missile Command), 6BTX-B (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 11240409-19 (Ballistic Missile Defense Systems Command), 11240409 (Ballistic Missile Defense Systems Command), 6BTXB (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 1 more.

What NSN replaces 4730-00-952-3119?

There are 10 known substitutes for 4730-00-952-3119: 4730-00-401-3713, 4730-00-555-2895, 4730-00-618-8589 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6BTXB?

Key specifications for 6BTXB: Seat Angle: 37.0 DEGREES NOMINAL; Material: COPPER ALLOY 360 OVERALL; Material Document and Classification: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-952-3119 still in active supply?

NSN 4730-00-952-3119 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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