PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14BTX-BNut,tube Coupling

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-01-223-2492 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-223-2492 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-223-2492. Primary manufacturer part number: 14BTX-B.
Features
  • Nut,tube Coupling — FSC 4730
  • Seat Angle: 37.0 DEGREES NOMINAL
  • Nut Height: 1.080 INCHES NOMINAL IN
  • Smallest Inside Diameter: 0.959 INCHES NOMINAL IN
  • Nominal Tube Outside Diameter: 0.875 INCHES IN
  • Thread Quantity Per Inch: 12
  • Fabrication Method: MACHINED
  • Width Across Flats: 1.375 INCHES NOMINAL 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 4730-01-223-2492, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-223-2492
Primary Part Number14BTX-B
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Seat Angle37.0 DEGREES NOMINAL
Nut Height1.080 INCHES NOMINAL IN
Smallest Inside Diameter0.959 INCHES NOMINAL IN
Nominal Tube Outside Diameter0.875 INCHES IN
Thread Quantity Per Inch12
Fabrication MethodMACHINED
Width Across Flats1.375 INCHES NOMINAL IN
MaterialCOPPER ALLOY 350 OR COPPER ALLOY 360 OVERALL
Thread SeriesUN
Thread DirectionRIGHT-HAND
Thread Class3B
Nominal Thread Size1.188 INCHES IN
Length to Shoulder0.916 INCHES NOMINAL IN
Nut StyleTUBE COUPLING
Lifecycle & Compliance
Acquisition StatusACTIVE
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
4730-00-952-31196BTXB 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
Cross-Reference Index
Part NumberManufacturer
14BTX-B Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
11240409-7 Ballistic Missile Defense Systems Command (USA)
14BTX-B Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
11240409 Ballistic Missile Defense Systems Command (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
4730-00-952-3119INTERCHANGEABLE
NUT,TUBE COUPLING
6BTXB
4730-00-965-1186INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J514/1 12 070110B
4730-01-010-0143INTERCHANGEABLE
NUT,TUBE COUPLING
16BTXD

Frequently Asked Questions

What is NSN 4730-01-223-2492?

NSN 4730-01-223-2492 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: active.

What are the part numbers for NSN 4730-01-223-2492?

NSN 4730-01-223-2492 has 4 cross-referenced part numbers: 14BTX-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 11240409-7 (Ballistic Missile Defense Systems Command), 14BTX-B (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 11240409 (Ballistic Missile Defense Systems Command).

What NSN replaces 4730-01-223-2492?

There are 10 known substitutes for 4730-01-223-2492: 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 14BTX-B?

Key specifications for 14BTX-B: Seat Angle: 37.0 DEGREES NOMINAL; Nut Height: 1.080 INCHES NOMINAL IN; Smallest Inside Diameter: 0.959 INCHES NOMINAL IN; Nominal Tube Outside Diameter: 0.875 INCHES IN. 14 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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