PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

601-1/4Coupling,tube

Nibco Inc · NSN 4730-01-219-8506 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-219-8506 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-219-8506. Primary manufacturer part number: 601-1/4.
Features
  • Coupling,tube — FSC 4730
  • Style Designator: PLAIN
  • Material: COPPER OVERALL
  • Nominal Overall Length: 0.656 INCHES IN
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Connection Style: PLAIN (TUBE) ALL ENDS
  • Tubing Wall Nominal Thickness for Which Designed: 0.026 INCHES ALL ENDS IN
  • Nominal Outside Diameter Tube Accommodated: 0.430 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-01-219-8506, 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 Nibco Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-219-8506
Primary Part Number601-1/4
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNibco Inc
StatusACTIVE
Style DesignatorPLAIN
MaterialCOPPER OVERALL
Nominal Overall Length0.656 INCHES IN
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Connection StylePLAIN (TUBE) ALL ENDS
Tubing Wall Nominal Thickness for Which Designed0.026 INCHES ALL ENDS IN
Nominal Outside Diameter Tube Accommodated0.430 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5977-00-033-361560114 INTERCHANGEABLE
Brush,electrical Contact
Stackpole Corp the
5940-00-171-067910004-33 INTERCHANGEABLE
Terminal Board
Westinghouse Electric Corp
4720-00-278-1094 INTERCHANGEABLE
Hose,nonmetallic
3120-00-288-485281311S4105-457514PC13 INTERCHANGEABLE
Roller,linear-Rotary Motion
Naval Ship Systems Command
1650-00-704-308160114 INTERCHANGEABLE
Parts Kit,valve
Meggitt North Hollywood Inc
5940-00-988-0317AA59125/238TB14 INTERCHANGEABLE
Terminal Board
Sunnen Products Co
5930-01-025-222460114 INTERCHANGEABLE
Switch,rotary
Dynalec Corporation
5940-01-443-9104601-14 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
9540-01-481-4836 INTERCHANGEABLE
Channel,structural
5940-01-586-412760114-TB INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
601-1/4 Nibco Inc (USA)
714647-4 Raytheon Company Div Rmd Strategic (USA)
Related Parts
5977-00-033-3615INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
60114
5940-00-171-0679INTERCHANGEABLE
TERMINAL BOARD
10004-33
4720-00-278-1094INTERCHANGEABLE
HOSE,NONMETALLIC
3120-00-288-4852INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
81311S4105-457514PC13
1650-00-704-3081INTERCHANGEABLE
PARTS KIT,VALVE
60114
5940-00-988-0317INTERCHANGEABLE
TERMINAL BOARD
AA59125/238TB14
5930-01-025-2224INTERCHANGEABLE
SWITCH,ROTARY
60114
5940-01-443-9104INTERCHANGEABLE
TERMINAL BOARD
601-14
9540-01-481-4836INTERCHANGEABLE
CHANNEL,STRUCTURAL
5940-01-586-4127INTERCHANGEABLE
TERMINAL,LUG
60114-TB
5985-01-720-9330INTERCHANGEABLE
ANTENNA
6011-4

Frequently Asked Questions

What is NSN 4730-01-219-8506?

NSN 4730-01-219-8506 is a Coupling,tube, manufactured by Nibco Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-219-8506?

NSN 4730-01-219-8506 has 2 cross-referenced part numbers: 601-1/4 (Nibco Inc), 714647-4 (Raytheon Company Div Rmd Strategic).

What NSN replaces 4730-01-219-8506?

There are 11 known substitutes for 4730-01-219-8506: 5977-00-033-3615, 5940-00-171-0679, 4720-00-278-1094 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 601-1/4?

Key specifications for 601-1/4: Style Designator: PLAIN; Material: COPPER OVERALL; Nominal Overall Length: 0.656 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 7 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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