PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B6TSW3Tee,tube

Swagelok Co · NSN 4730-00-444-1606 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-444-1606 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-444-1606. Primary manufacturer part number: B6TSW3.
Features
  • Tee,tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Material: COPPER ALLOY OVERALL
  • Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Leg Length: 0.812 INCHES NOMINAL ALL ENDS IN
  • 4 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-444-1606, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-444-1606
Primary Part NumberB6TSW3
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Connection StyleSOCKET (TUBE) ALL ENDS
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
MaterialCOPPER ALLOY OVERALL
Operating Pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length0.812 INCHES NOMINAL ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-257-2163 INTERCHANGEABLE
Tee,tube
5961-00-904-0250740112-101 INTERCHANGEABLE
Semiconductor Device,thyristor
Lockheed Martin Corp
4820-01-194-93240781-0043 INTERCHANGEABLE
Regulator,compressed Gas
Victor Equipment Co
5995-01-203-1734W411 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Lockheed Martin Corporation Dba Lockheed Martin
Cross-Reference Index
Part NumberManufacturer
W411 Kennecott Corp Chase Extrusions Div (USA)
B16-22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B6TSW3 PRIMARY Swagelok Co (USA)
B6TSW3 Cajon Co (USA)
Related Parts
4730-00-257-2163INTERCHANGEABLE
TEE,TUBE
5961-00-904-0250INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
740112-101
4820-01-194-9324INTERCHANGEABLE
REGULATOR,COMPRESSED GAS
0781-0043
5995-01-203-1734INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
W411

Frequently Asked Questions

What is NSN 4730-00-444-1606?

NSN 4730-00-444-1606 is a Tee,tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-444-1606?

NSN 4730-00-444-1606 has 4 cross-referenced part numbers: W411 (Kennecott Corp Chase Extrusions Div), B16-22 (American National Standards Institute Incorporated Dba American National Standards Institute), B6TSW3 (Swagelok Co), B6TSW3 (Cajon Co).

What NSN replaces 4730-00-444-1606?

There are 4 known substitutes for 4730-00-444-1606: 4730-00-257-2163, 5961-00-904-0250, 4820-01-194-9324 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B6TSW3?

Key specifications for B6TSW3: Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN; Connection Style: SOCKET (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Material: COPPER ALLOY OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-444-1606 still in active supply?

NSN 4730-00-444-1606 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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