PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401RReducer,tube

Kennecott Corp Chase Extrusions Div · NSN 4730-00-950-3590 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-950-3590 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-950-3590. Primary manufacturer part number: 401R.
Features
  • Reducer,tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN
  • Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES SECOND END IN
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE SECOND END
  • Material: COPPER ALLOY OVERALL
  • Tubing Wall Nominal Thickness for Which Designed: 0.040 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-950-3590, 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 Kennecott Corp Chase Extrusions Div. Government technical data includes 11 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-950-3590
Primary Part Number401R
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerKennecott Corp Chase Extrusions Div
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Tubing Wall Nominal Thickness for Which Designed0.035 INCHES SECOND END IN
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Connection StylePLAIN (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE SECOND END
MaterialCOPPER ALLOY OVERALL
Tubing Wall Nominal Thickness for Which Designed0.040 INCHES FIRST END IN
Connection StylePLAIN (TUBE) SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES SECOND END IN
Nominal Overall Length1.156 INCHES IN
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6640-00-176-5245 INTERCHANGEABLE
Pipetting Machine,semi-Automatic
3020-00-192-679940A1S4 INTERCHANGEABLE
Link,roller Chain
Jeffrey Chain L.p.
4730-00-278-6136 INTERCHANGEABLE
Reducer,tube
5930-00-419-7328010-1802 INTERCHANGEABLE
Switch,thermostatic
Ranco Inc Ranco Controls Div
4730-00-950-3592 INTERCHANGEABLE
Reducer,tube
5340-01-161-6112401R INTERCHANGEABLE
Latch Set,rim
Southern Folger Detention Equipment Company, Llc
4820-01-432-5974 INTERCHANGEABLE
Cap,valve
Cross-Reference Index
Part NumberManufacturer
401R Kennecott Corp Chase Extrusions Div (USA)
Related Parts
6640-00-176-5245INTERCHANGEABLE
PIPETTING MACHINE,SEMI-AUTOMATIC
3020-00-192-6799INTERCHANGEABLE
LINK,ROLLER CHAIN
40A1S4
4730-00-278-6136INTERCHANGEABLE
REDUCER,TUBE
5930-00-419-7328INTERCHANGEABLE
SWITCH,THERMOSTATIC
010-1802
4730-00-950-3592INTERCHANGEABLE
REDUCER,TUBE
5340-01-161-6112INTERCHANGEABLE
LATCH SET,RIM
401R
4820-01-432-5974INTERCHANGEABLE
CAP,VALVE

Frequently Asked Questions

What is NSN 4730-00-950-3590?

NSN 4730-00-950-3590 is a Reducer,tube, manufactured by Kennecott Corp Chase Extrusions Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-950-3590?

NSN 4730-00-950-3590 has 1 cross-referenced part number: 401R (Kennecott Corp Chase Extrusions Div).

What NSN replaces 4730-00-950-3590?

There are 7 known substitutes for 4730-00-950-3590: 6640-00-176-5245, 3020-00-192-6799, 4730-00-278-6136 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401R?

Key specifications for 401R: Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN; Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES SECOND END IN; Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Connection Style: PLAIN (TUBE) FIRST END. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-950-3590 still in active supply?

NSN 4730-00-950-3590 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.
PartsTable Design LLC · partstable.com