PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

475125Nut,tube Coupling

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4730-01-669-4811 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-669-4811 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-669-4811. Primary manufacturer part number: 475125.
Features
  • Nut,tube Coupling — FSC 4730
  • Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
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 4730-01-669-4811, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-669-4811
Primary Part Number475125
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Reference Number Differentiating CharacteristicsITEM IS FAA CERTIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-074-9643475125 INTERCHANGEABLE
Nut,tube Coupling
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5360-01-045-9992475125 INTERCHANGEABLE
Spring,helical,compression
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
2530-01-344-587962015-735 INTERCHANGEABLE
Torque Rod,tandem Axle
Hendrickson Usa Llc
Cross-Reference Index
Part NumberManufacturer
475125 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4730-00-074-9643INTERCHANGEABLE
NUT,TUBE COUPLING
475125
5360-01-045-9992INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
475125
2530-01-344-5879INTERCHANGEABLE
TORQUE ROD,TANDEM AXLE
62015-735

Frequently Asked Questions

What is NSN 4730-01-669-4811?

NSN 4730-01-669-4811 is a Nut,tube Coupling, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-669-4811?

NSN 4730-01-669-4811 has 1 cross-referenced part number: 475125 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4730-01-669-4811?

There are 3 known substitutes for 4730-01-669-4811: 4730-00-074-9643, 5360-01-045-9992, 2530-01-344-5879. Verify interchangeability with system specifications before substitution.

What are the specifications of 475125?

Key specifications for 475125: End Item Identification: KC-46 AIRCRAFT; Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com