PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-411-20L1Adapter,straight,tube to Hose

Naval Inventory Control Point Mechanicsburg · NSN 4730-00-834-1857 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-834-1857 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-834-1857. Primary manufacturer part number: 4-411-20L1.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Thread Quantity Per Inch: 12 FIRST END
  • Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Class: 2B FIRST END
  • Material: NICKEL ALLOY A OVERALL
  • Nominal Thread Size: 1.625 INCHES FIRST END IN
  • Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
  • Seat Angle: 37.0 DEGREES FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Nickel Alloy a Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-834-1857, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-834-1857
Primary Part Number4-411-20L1
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Thread Quantity Per Inch12 FIRST END
Material Document and ClassificationQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Class2B FIRST END
MaterialNICKEL ALLOY A OVERALL
Nominal Thread Size1.625 INCHES FIRST END IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Seat Angle37.0 DEGREES FIRST END
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Reference Number Differentiating CharacteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
Furnished Items and Quantity1 SOCKET
Nominal Outside Diameter Tube Accommodated1.250 INCHES FIRST END IN
Thread Series DesignatorUN FIRST END
Nominal Outside Diameter Hose Accommodated1.500 INCHES SECOND END IN
Nominal Inside Diameter Hose Accommodated1.125 INCHES SECOND END IN
Criticality Code JustificationZZZY
Connection TypeTHREADED INTERNAL TUBE FIRST END
Nominal Overall Length3.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-082-5995 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
4-411-20L1 Naval Inventory Control Point Mechanicsburg (USA)
63357-20-20 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
MIL-F-24787/2 TYPE AGROUPVIIIL1 Naval Inventory Control Point Mechanicsburg (USA)
4-411-20 Danfoss Power Solutions II, Llc (USA)
63357-20-20L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4730-00-082-5995INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-00-834-1857?

NSN 4730-00-834-1857 is a Adapter,straight,tube to Hose, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-834-1857?

NSN 4730-00-834-1857 has 5 cross-referenced part numbers: 4-411-20L1 (Naval Inventory Control Point Mechanicsburg), 63357-20-20 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), MIL-F-24787/2 TYPE AGROUPVIIIL1 (Naval Inventory Control Point Mechanicsburg), 4-411-20 (Danfoss Power Solutions II, Llc), 63357-20-20L1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4730-00-834-1857?

There is 1 known substitute for 4730-00-834-1857: 4730-00-082-5995. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-411-20L1?

Key specifications for 4-411-20L1: Thread Quantity Per Inch: 12 FIRST END; Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Class: 2B FIRST END; Material: NICKEL ALLOY A OVERALL. 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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