PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

302105Reducer,tube

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 4730-00-505-8589 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-505-8589 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-505-8589. Primary manufacturer part number: 302105.
Features
  • Reducer,tube — FSC 4730
  • Connection Style: PLAIN (TUBE) SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.235 INCHES FIRST END IN
  • Connection Type: UNTHREADED INTERNAL TUBE SECOND END
  • Nominal Overall Length: 6.310 INCHES IN
  • Nominal Outside Diameter Tube Accommodated: 0.219 INCHES SECOND END IN
  • Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES SECOND END IN
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-505-8589, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-505-8589
Primary Part Number302105
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
Connection StylePLAIN (TUBE) SECOND END
Nominal Outside Diameter Tube Accommodated0.235 INCHES FIRST END IN
Connection TypeUNTHREADED INTERNAL TUBE SECOND END
Nominal Overall Length6.310 INCHES IN
Nominal Outside Diameter Tube Accommodated0.219 INCHES SECOND END IN
Tubing Wall Nominal Thickness for Which Designed0.035 INCHES SECOND END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Connection StylePLAIN (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5905-00-104-5756 INTERCHANGEABLE
Resistor,fixed,composition
5305-00-370-0922151657 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
1420-00-676-7124159698 INTERCHANGEABLE
Rod,connecting
Raytheon Company Dba Raytheon
6210-01-123-0221 INTERCHANGEABLE
Light Assembly,indicator
Cross-Reference Index
Part NumberManufacturer
85434 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
85434 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
302105 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
302105 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
159698 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
159698 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5905-00-104-5756INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5305-00-370-0922INTERCHANGEABLE
SCREW,MACHINE
151657
1420-00-676-7124INTERCHANGEABLE
ROD,CONNECTING
159698
6210-01-123-0221INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR

Frequently Asked Questions

What is NSN 4730-00-505-8589?

NSN 4730-00-505-8589 is a Reducer,tube, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-505-8589?

NSN 4730-00-505-8589 has 6 cross-referenced part numbers: 85434 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 85434 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 302105 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 302105 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 159698 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 1 more.

What NSN replaces 4730-00-505-8589?

There are 4 known substitutes for 4730-00-505-8589: 5905-00-104-5756, 5305-00-370-0922, 1420-00-676-7124 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 302105?

Key specifications for 302105: Connection Style: PLAIN (TUBE) SECOND END; Nominal Outside Diameter Tube Accommodated: 0.235 INCHES FIRST END IN; Connection Type: UNTHREADED INTERNAL TUBE SECOND END; Nominal Overall Length: 6.310 INCHES IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-505-8589 still in active supply?

NSN 4730-00-505-8589 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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