PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44X8Tee,tube

Danfoss Power Solutions II, Llc · NSN 4730-01-578-0540 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-578-0540 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-578-0540. Primary manufacturer part number: 44X8.
Features
  • Tee,tube — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Thread Quantity Per Inch: 16 ALL ENDS
  • Style Designator: TEE
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
  • Thread Class: 2A ALL ENDS A
  • Seat Angle: 45.0 DEGREES ALL ENDS
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 4730-01-578-0540, 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 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-578-0540
Primary Part Number44X8
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.750 INCHES ALL ENDS IN
Thread Quantity Per Inch16 ALL ENDS
Style DesignatorTEE
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Thread Class2A ALL ENDS A
Seat Angle45.0 DEGREES ALL ENDS
Leg Length1.203 INCHES NOMINAL ALL ENDS IN
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Connection StyleFLARED (TUBE) ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-287-1703SAE J513 8-8-8 010401B INTERCHANGEABLE
Tee,tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
DS-20-101D-IT98 Di Fillippo, R a Inc Dba Packaging Technology (USA)
44X8 PRIMARY Danfoss Power Solutions II, Llc (USA)
Related Parts
4730-00-287-1703INTERCHANGEABLE
TEE,TUBE
SAE J513 8-8-8 010401B

Frequently Asked Questions

What is NSN 4730-01-578-0540?

NSN 4730-01-578-0540 is a Tee,tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-578-0540?

NSN 4730-01-578-0540 has 2 cross-referenced part numbers: DS-20-101D-IT98 (Di Fillippo, R a Inc Dba Packaging Technology), 44X8 (Danfoss Power Solutions II, Llc).

What NSN replaces 4730-01-578-0540?

There is 1 known substitute for 4730-01-578-0540: 4730-00-287-1703. Verify interchangeability with system specifications before substitution.

What are the specifications of 44X8?

Key specifications for 44X8: Material: COPPER ALLOY OVERALL; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Thread Quantity Per Inch: 16 ALL ENDS; Style Designator: TEE. 12 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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