PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

440-3-4Adapter,straight,tube to Hose

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-00-249-3412 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-249-3412 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-249-3412. Primary manufacturer part number: 440-3-4.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Surface Treatment: CADMIUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
  • Material: STEEL OVERALL
  • Thread Class: 3B FIRST END
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-249-3412, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-249-3412
Primary Part Number440-3-4
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Surface TreatmentCADMIUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
MaterialSTEEL OVERALL
Thread Class3B FIRST END
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Nominal Thread Size0.438 INCHES FIRST END IN
Connection StyleSWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
Nominal Outside Diameter Hose Accommodated0.516 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Nominal Overall Length1.688 INCHES IN
Nominal Inside Diameter Hose Accommodated0.188 INCHES SECOND END IN
Seat Angle12.0 DEGREES FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6220-00-013-952387-00-302 INTERCHANGEABLE
Control,directional Signal Light
Arrow Safety Device Co
5133-00-833-463510034 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5330-01-549-581249286 INTERCHANGEABLE
Retainer Sleeve,seal
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
440-3-4 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
148-47014 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
Related Parts
6220-00-013-9523INTERCHANGEABLE
CONTROL,DIRECTIONAL SIGNAL LIGHT
87-00-302
5133-00-833-4635INTERCHANGEABLE
DRILL,TWIST
10034
5330-01-549-5812INTERCHANGEABLE
RETAINER SLEEVE,SEAL
49286

Frequently Asked Questions

What is NSN 4730-00-249-3412?

NSN 4730-00-249-3412 is a Adapter,straight,tube to Hose, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-249-3412?

NSN 4730-00-249-3412 has 2 cross-referenced part numbers: 440-3-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 148-47014 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).

What NSN replaces 4730-00-249-3412?

There are 3 known substitutes for 4730-00-249-3412: 6220-00-013-9523, 5133-00-833-4635, 5330-01-549-5812. Verify interchangeability with system specifications before substitution.

What are the specifications of 440-3-4?

Key specifications for 440-3-4: Surface Treatment: CADMIUM OVERALL; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END; Material: STEEL OVERALL; Thread Class: 3B 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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