PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4740-3-4BAdapter,straight,tube to Hose

Danfoss Power Solutions II, Llc · NSN 4730-00-446-2577 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-446-2577 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-446-2577. Primary manufacturer part number: 4740-3-4B.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Seat Angle: 45.0 DEGREES FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND ENDUNTHREADED EXTERNAL HOSE SECOND END
  • Connection Style: BARBED OR BEADED (HOSE) SECOND ENDBARBED OR BEADED (HOSE) SECOND END
  • Thread Series Designator: UNF FIRST END
  • Nominal Overall Length: 1.500 INCHES IN
  • Nominal Thread Size: 0.375 INCHES FIRST END0.375 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-446-2577, 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 Danfoss Power Solutions II, Llc. Government technical data includes 16 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-446-2577
Primary Part Number4740-3-4B
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Seat Angle45.0 DEGREES FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
Connection TypeUNTHREADED EXTERNAL HOSE SECOND ENDUNTHREADED EXTERNAL HOSE SECOND END
Connection StyleBARBED OR BEADED (HOSE) SECOND ENDBARBED OR BEADED (HOSE) SECOND END
Thread Series DesignatorUNF FIRST END
Nominal Overall Length1.500 INCHES IN
Nominal Thread Size0.375 INCHES FIRST END0.375 INCHES FIRST END IN
Maximum Operating Temp200.0 FAHRENHEIT SINGLE RESPONSE200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class2A FIRST END2A FIRST END A
Connection StyleSWIVEL NUT INVERTED FLARE (TUBE) FIRST ENDSWIVEL NUT INVERTED FLARE (TUBE) FIRST END
MaterialCOPPER ALLOY OVERALL
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Tubing Wall Nominal Thickness for Which Designed0.030 INCHES FIRST END IN
Furnished Items and Quantity1 SEAL
Nominal Outside Diameter Tube Accommodated0.188 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-010-3319 INTERCHANGEABLE
Washer,lock
4730-00-051-4705095903-1 INTERCHANGEABLE
Adapter,straight,tube to Hose
Sea Cure Technology, Inc
5120-00-189-29825120-00-189-2982 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
6220-00-299-5646 INTERCHANGEABLE
Light,marker,clearance
3040-00-614-8550CG-71 INTERCHANGEABLE
Clamp,hub
Secs Inc
6240-00-797-2650 INTERCHANGEABLE
Lamp,incandescent
6350-00-905-0104 INTERCHANGEABLE
Bell,electrical
6240-00-918-24267330 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
4410-01-195-7580 INTERCHANGEABLE
Heater,water,liquid Fuel
6230-01-532-1603L14 INTERCHANGEABLE
Light Set,general Illumination
Designers Edge the
Cross-Reference Index
Part NumberManufacturer
L14 Uniflite Inc (USA)
4740-3-4B PRIMARY Danfoss Power Solutions II, Llc (USA)
32882-3-4 Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division (USA)
32882-3-4 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
Related Parts
5310-00-010-3319INTERCHANGEABLE
WASHER,LOCK
4730-00-051-4705INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
095903-1
5120-00-189-2982INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2982
6220-00-299-5646INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
3040-00-614-8550INTERCHANGEABLE
CLAMP,HUB
CG-71
6240-00-797-2650INTERCHANGEABLE
LAMP,INCANDESCENT
6350-00-905-0104INTERCHANGEABLE
BELL,ELECTRICAL
6240-00-918-2426INTERCHANGEABLE
LAMP,INCANDESCENT
7330
4410-01-195-7580INTERCHANGEABLE
HEATER,WATER,LIQUID FUEL
6230-01-532-1603INTERCHANGEABLE
LIGHT SET,GENERAL ILLUMINATION
L14

Frequently Asked Questions

What is NSN 4730-00-446-2577?

NSN 4730-00-446-2577 is a Adapter,straight,tube to Hose, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-446-2577?

NSN 4730-00-446-2577 has 4 cross-referenced part numbers: L14 (Uniflite Inc), 4740-3-4B (Danfoss Power Solutions II, Llc), 32882-3-4 (Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division), 32882-3-4 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division).

What NSN replaces 4730-00-446-2577?

There are 10 known substitutes for 4730-00-446-2577: 5310-00-010-3319, 4730-00-051-4705, 5120-00-189-2982 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4740-3-4B?

Key specifications for 4740-3-4B: Seat Angle: 45.0 DEGREES FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END; Connection Type: UNTHREADED EXTERNAL HOSE SECOND ENDUNTHREADED EXTERNAL HOSE SECOND END; Connection Style: BARBED OR BEADED (HOSE) SECOND ENDBARBED OR BEADED (HOSE) SECOND END. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com