PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23-403Tubing Assembly,nonmetallic

Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann · NSN 4720-01-268-7399 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-268-7399 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-268-7399. Primary manufacturer part number: 23-403.
Features
  • Tubing Assembly,nonmetallic — FSC 4720
  • Features Provided: IDENTICAL ENDS
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Connection Style: PLAIN FIRST END
  • Burst Test Pressure: 700.0 POUNDS PER SQUARE INCH LBS
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
  • Inside Surface Condition: SMOOTH
Applications
  • Applications requiring Plastic Polyamide Nylon Tube construction
General Description

The Tubing Assembly,nonmetallic, cataloged under National Stock Number 4720-01-268-7399, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-268-7399
Primary Part Number23-403
Item NameTubing Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerPlews, Inc. Dba Plews Edelmann Div Plews & Edelmann
StatusACTIVE
Features ProvidedIDENTICAL ENDS
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StylePLAIN FIRST END
Burst Test Pressure700.0 POUNDS PER SQUARE INCH LBS
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Inside Surface ConditionSMOOTH
MaterialPLASTIC POLYAMIDE NYLON TUBE
Surface TreatmentNICKEL OVERALL
Measuring Method and Length25.000 FEET NOMINAL OVERALL FT
Operating Pressure350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Cross-Sectional Shape StyleROUND
Thread DirectionRIGHT-HAND FIRST END
End Connection DesignSTRAIGHT FIRST END
Outside Diameter0.310 INCHES NOMINAL IN
Inside Diameter0.250 INCHES NOMINAL IN
Exterior ColorRED OR YELLOW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-30953984 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5305-00-639-695923403 INTERCHANGEABLE
Screw,machine
Briggs and Stratton Corp
4820-00-647-2328146-00318-1 INTERCHANGEABLE
Seat,valve
Grove Valve Operations
3455-00-971-890817614 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5998-01-137-099423403 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4820-01-204-524511889NPC22 INTERCHANGEABLE
Seat,valve
Classic Mfg
5985-01-276-27072898679-6 INTERCHANGEABLE
Coupler,directional
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4940-01-451-939134015-01 INTERCHANGEABLE
Enclosure,electromagnetic Shield
Electronic Marine Systems, Inc.
4820-01-517-3083 INTERCHANGEABLE
Valve,check
5340-01-699-620223-403 INTERCHANGEABLE
Cover,access
DC Fabricators Inc
Cross-Reference Index
Part NumberManufacturer
23-403 Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann (USA)
7-910-003658 Grove U.s. Llc Dba Grove Us Llc (USA)
A7-910-003658 Grove U.s. Llc Dba Grove Us Llc (USA)
48-244-CN-25 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA)
6127A Schrader-Bridgeport International Inc Dba Schrader Automotive (USA)
Related Parts
3110-00-100-3095INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3984
5305-00-639-6959INTERCHANGEABLE
SCREW,MACHINE
23403
4820-00-647-2328INTERCHANGEABLE
SEAT,VALVE
146-00318-1
3455-00-971-8908INTERCHANGEABLE
CUTTER,MILLING,END
17614
5998-01-137-0994INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
23403
4820-01-204-5245INTERCHANGEABLE
SEAT,VALVE
11889NPC22
5985-01-276-2707INTERCHANGEABLE
COUPLER,DIRECTIONAL
2898679-6
4940-01-451-9391INTERCHANGEABLE
ENCLOSURE,ELECTROMAGNETIC SHIELD
34015-01
4820-01-517-3083INTERCHANGEABLE
VALVE,CHECK
5340-01-699-6202INTERCHANGEABLE
COVER,ACCESS
23-403

Frequently Asked Questions

What is NSN 4720-01-268-7399?

NSN 4720-01-268-7399 is a Tubing Assembly,nonmetallic, manufactured by Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-268-7399?

NSN 4720-01-268-7399 has 5 cross-referenced part numbers: 23-403 (Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann), 7-910-003658 (Grove U.s. Llc Dba Grove Us Llc), A7-910-003658 (Grove U.s. Llc Dba Grove Us Llc), 48-244-CN-25 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division), 6127A (Schrader-Bridgeport International Inc Dba Schrader Automotive).

What NSN replaces 4720-01-268-7399?

There are 10 known substitutes for 4720-01-268-7399: 3110-00-100-3095, 5305-00-639-6959, 4820-00-647-2328 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23-403?

Key specifications for 23-403: Features Provided: IDENTICAL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST END; Connection Style: PLAIN FIRST END; Burst Test Pressure: 700.0 POUNDS PER SQUARE INCH LBS. 17 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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