PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S6-ACoupling,pipe

Swagelok Co · NSN 4730-01-123-1519 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-123-1519 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-123-1519. Primary manufacturer part number: S6-A.
Features
  • Coupling,pipe — FSC 4730
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
  • Connection Style: PLAIN (PIPE) SECOND END
  • Operating Pressure: 5300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Series Designator: NPT FIRST END
  • Connection Style: PLAIN (PIPE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-123-1519, 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 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-123-1519
Primary Part NumberS6-A
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.375 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Operating Pressure5300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorNPT FIRST END
Connection StylePLAIN (PIPE) FIRST END
Nominal Overall Length1.562 INCHES IN
Thread Series DesignatorNPT SECOND END
MaterialSTEEL OVERALL
Style DesignatorRIGID, THREADED INTERNAL AND EXTERNAL
Nominal Thread Size0.375 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6680-00-530-0545S6A INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
Schulze Mfg., Inc.
5120-00-877-4349S6A INTERCHANGEABLE
Die,crimping Tool
Burndy Llc
Cross-Reference Index
Part NumberManufacturer
S6-A Cajon Co (USA)
S6-A PRIMARY Swagelok Co (USA)
Related Parts
6680-00-530-0545INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
S6A
5120-00-877-4349INTERCHANGEABLE
DIE,CRIMPING TOOL
S6A

Frequently Asked Questions

What is NSN 4730-01-123-1519?

NSN 4730-01-123-1519 is a Coupling,pipe, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-123-1519?

NSN 4730-01-123-1519 has 2 cross-referenced part numbers: S6-A (Cajon Co), S6-A (Swagelok Co).

What NSN replaces 4730-01-123-1519?

There are 2 known substitutes for 4730-01-123-1519: 6680-00-530-0545, 5120-00-877-4349. Verify interchangeability with system specifications before substitution.

What are the specifications of S6-A?

Key specifications for S6-A: Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END; Nominal Thread Size: 0.375 INCHES SECOND END IN; Connection Style: PLAIN (PIPE) SECOND END. 12 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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