PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

341772Coupling,tube

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4730-00-554-7547 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-554-7547 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-554-7547. Primary manufacturer part number: 341772.
Features
  • Coupling,tube — FSC 4730
  • Nominal Thread Size: 1.312 INCHES SECOND END IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Class: 2A SECOND END A
  • Connection Style: FLARED (TUBE) SECOND END
  • Thread Series Designator: UN SECOND END
  • Nominal Outside Diameter Tube Accommodated: 1.000 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-00-554-7547, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4730-00-554-7547
Primary Part Number341772
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Nominal Thread Size1.312 INCHES SECOND END IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Class2A SECOND END A
Connection StyleFLARED (TUBE) SECOND END
Thread Series DesignatorUN SECOND END
Nominal Outside Diameter Tube Accommodated1.000 INCHES ALL ENDS IN
Thread Quantity Per Inch12 SECOND END
Seat Angle37.0 DEGREES SECOND END
Nominal Overall Length2.040 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5905-00-422-4129 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-981-3320306-0224-00 INTERCHANGEABLE
Resistor,fixed,composition
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
341772 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
306224 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
306224 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
341772 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
5905-00-422-4129INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-981-3320INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
306-0224-00

Frequently Asked Questions

What is NSN 4730-00-554-7547?

NSN 4730-00-554-7547 is a Coupling,tube, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-554-7547?

NSN 4730-00-554-7547 has 4 cross-referenced part numbers: 341772 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 306224 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 306224 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 341772 (Turbo Power & Marine System Inc Sub of United Technologies Corp).

What NSN replaces 4730-00-554-7547?

There are 2 known substitutes for 4730-00-554-7547: 5905-00-422-4129, 5905-00-981-3320. Verify interchangeability with system specifications before substitution.

What are the specifications of 341772?

Key specifications for 341772: Nominal Thread Size: 1.312 INCHES SECOND END IN; Surface Treatment: PASSIVATE OVERALL; Material: STEEL CORROSION RESISTING OVERALL; Thread Class: 2A SECOND END A. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-554-7547 still in active supply?

NSN 4730-00-554-7547 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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