PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-400-1-4Adapter,straight,pipe to Tube

Swagelok Co · NSN 4730-00-239-0189 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-239-0189 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-239-0189. Primary manufacturer part number: SS-400-1-4.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Operating Pressure: 8119.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Furnished Items and Quantity: 1 FERRULE SLEEVE AND 1 TUBE COUPLING NUT
  • Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Style: FLARELESS (TUBE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-239-0189, 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 Swagelok Co. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-239-0189
Primary Part NumberSS-400-1-4
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusCANCELLED
Operating Pressure8119.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Furnished Items and Quantity1 FERRULE SLEEVE AND 1 TUBE COUPLING NUT
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Nominal Thread Size0.438 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Connection StyleFLARELESS (TUBE) FIRST END
MaterialSTEEL COMP 316 OVERALL
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Seat Angle20.0 DEGREES FIRST END
Surface TreatmentPHOSPHATE OVERALL
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Thread Class3A FIRST END A
Nominal Overall Length1.480 INCHES IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorNPT SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-489-8666A-400-1-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Swagelok Co
4730-01-303-1235 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-01-609-4802 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-01-641-0634SS-400-1-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Swagelok Co
4730-01-692-3581 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
SS-400-1-4 Swagelok Uk Ltd (GBR)
2913 006 01154 Fisher Scientific U.k. Limited (GBR)
533492 Raytheon Company Dba Raytheon (USA)
4730PL1776769 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4730PL0890004 Jednolity Indeks Materialowy - Uniform Material Index (POL)
11509707-001 Us Army Aviation and Missile Command (USA)
11454810-2 Us Army Aviation and Missile Command (USA)
2518781-8 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SS-400-1-4 South London Valve & Fitting Company Ltd T/a Swagelok London (GBR)
SS-400-1-4 PRIMARY Swagelok Co (USA)
107A895 Varo Llc (USA)
2518781 Naval Sea Systems Command (USA)
SS-400-1-4 Mcnaughton Dynamics Limited (GBR)
Related Parts
4730-00-489-8666INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
A-400-1-4
4730-01-303-1235INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-01-609-4802INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-01-641-0634INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SS-400-1-4
4730-01-692-3581INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-00-239-0189?

NSN 4730-00-239-0189 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-239-0189?

NSN 4730-00-239-0189 has 13 cross-referenced part numbers: SS-400-1-4 (Swagelok Uk Ltd), 2913 006 01154 (Fisher Scientific U.k. Limited), 533492 (Raytheon Company Dba Raytheon), 4730PL1776769 (Jednolity Indeks Materialowy - Uniform Material Index), 4730PL0890004 (Jednolity Indeks Materialowy - Uniform Material Index) and 8 more.

What NSN replaces 4730-00-239-0189?

There are 5 known substitutes for 4730-00-239-0189: 4730-00-489-8666, 4730-01-303-1235, 4730-01-609-4802 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS-400-1-4?

Key specifications for SS-400-1-4: Operating Pressure: 8119.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Furnished Items and Quantity: 1 FERRULE SLEEVE AND 1 TUBE COUPLING NUT; Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-239-0189 still in active supply?

NSN 4730-00-239-0189 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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