PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3405-6-6Elbow,pipe to Tube

Lenz Inc Dba the Lenz Company · NSN 4730-00-079-9733 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-079-9733 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-079-9733. Primary manufacturer part number: 3405-6-6.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE
  • Thread Series Designator: NPT SECOND END
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Thread Series Designator: UNF FIRST END
  • Material: STEEL OVERALL
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-079-9733, 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 Lenz Inc Dba the Lenz Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-079-9733
Primary Part Number3405-6-6
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLenz Inc Dba the Lenz Company
StatusACTIVE
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE
Thread Series DesignatorNPT SECOND END
Nominal Thread Size0.562 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
MaterialSTEEL OVERALL
Seat Angle37.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Leg Length1.000 INCHES NOMINAL FIRST END IN
Nominal Thread Size0.375 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Leg Length1.125 INCHES NOMINAL SECOND END IN
Flow Angle90.0 DEGREES
Thread Class2A FIRST END A
Connection StyleFLARED (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5945-00-180-8374 INTERCHANGEABLE
Relay,electromagnetic
4930-00-261-8474 INTERCHANGEABLE
Syringe,compound Dispenser
1005-00-556-42785564278 INTERCHANGEABLE
Lever,release,small Arms
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5910-01-014-5129MIS19239-6 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Us Army Aviation and Missile Command
3455-01-411-0476 INTERCHANGEABLE
Reamer,machine
Cross-Reference Index
Part NumberManufacturer
64A100A138 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
64A100A138 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
3405-6-6 PRIMARY Lenz Inc Dba the Lenz Company (USA)
A10248 Metadure Parts & Sales, Inc. (USA)
3405-6 Lenz Inc Dba the Lenz Company (USA)
A10248 Stewart Avionics Inc (USA)
Related Parts
5945-00-180-8374INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4930-00-261-8474INTERCHANGEABLE
SYRINGE,COMPOUND DISPENSER
1005-00-556-4278INTERCHANGEABLE
LEVER,RELEASE,SMALL ARMS
5564278
5910-01-014-5129INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
MIS19239-6
3455-01-411-0476INTERCHANGEABLE
REAMER,MACHINE

Frequently Asked Questions

What is NSN 4730-00-079-9733?

NSN 4730-00-079-9733 is a Elbow,pipe to Tube, manufactured by Lenz Inc Dba the Lenz Company, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-079-9733?

NSN 4730-00-079-9733 has 6 cross-referenced part numbers: 64A100A138 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 64A100A138 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3405-6-6 (Lenz Inc Dba the Lenz Company), A10248 (Metadure Parts & Sales, Inc.), 3405-6 (Lenz Inc Dba the Lenz Company) and 1 more.

What NSN replaces 4730-00-079-9733?

There are 5 known substitutes for 4730-00-079-9733: 5945-00-180-8374, 4930-00-261-8474, 1005-00-556-4278 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3405-6-6?

Key specifications for 3405-6-6: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE; Thread Series Designator: NPT SECOND END; Nominal Thread Size: 0.562 INCHES FIRST END IN; Thread Series Designator: UNF FIRST END. 14 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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