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T4-4 GFBN ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The SUN Oracle Sparc T4-4 Server is a the manufacturer enterprise server platform designed for data center environments requiring high availability, scalability, and serviceability. Key specifications include material: RESIN SYNTHETIC OVERALL, connection_type: UNTHREADED EXTERNAL HOSE SECOND END, connection_style: PLAIN (PIPE) FIRST END, special_features: GLASS FILLED BLACK NYLON, operating_pressure: 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.25 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-653-9917, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
T4-4 GFBN
NSN: 4730-01-653-9917
FSC: 4730
CAGE: 5U4Y4 — ELDON JAMES CORP (USA)
SPECIFICATIONS
materialRESIN SYNTHETIC OVERALL
connection_typeUNTHREADED EXTERNAL HOSE SECOND END
connection_stylePLAIN (PIPE) FIRST END
special_featuresGLASS FILLED BLACK NYLON
operating_pressure150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.25 INCHES FIRST END IN
maximum_operating_temp275.00 FAHRENHEIT SINGLE RESPONSE DEGF
thread_quantity_per_inch18 FIRST END
thread_series_designatorNPT FIRST END
nominal_inside_diameter_hose_accommodated0.25 INCHES THIRD END IN
NSN4730-01-653-9917
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: T4-4 GFBN · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
NOMINAL THREAD SIZE: 0.25 INCHES FIRST END IN
•
MAXIMUM OPERATING TEMP: 275.00 FAHRENHEIT SINGLE RESPONSE DEGF
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.25 INCHES SECOND END IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE THIRD END
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
THREAD QUANTITY PER INCH: 18 FIRST END
TYPICAL APPLICATIONS
  • Enterprise virtualization (VMware vSphere, Hyper-V)
  • Private cloud infrastructure (OpenStack, Azure Stack)
  • Email and collaboration platforms (Exchange, SharePoint)
  • High-availability clustering and failover
  • DevOps and CI/CD pipeline hosting
  • Remote desktop and VDI infrastructure
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL THREAD SIZE0.25 INCHES FIRST END IN
MAXIMUM OPERATING TEMP275.00 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.25 INCHES SECOND END IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE THIRD END
THREAD SERIES DESIGNATORNPT FIRST END
CONNECTION STYLEBARBED OR BEADED (HOSE) SECOND END
THREAD QUANTITY PER INCH18 FIRST END
CONNECTION STYLEBARBED OR BEADED (HOSE) THIRD END
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5570150Interchangeable
interchangeable cross-reference
interchangeable
T-44Interchangeable
SUN Oracle Sparc T4-4 Server
interchangeable
LF-532Interchangeable
interchangeable cross-reference
interchangeable
6248345Interchangeable
interchangeable cross-reference
interchangeable
T44-1CInterchangeable
interchangeable cross-reference
interchangeable
T44-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T4-4 GFBN?
T4-4 GFBN is a SUN Oracle Sparc T4-4 Server.
What parts can replace T4-4 GFBN?
There are 14 known substitutes for T4-4 GFBN: 5570150, T-44, LF-532 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T4-4 GFBN?
T4-4 GFBN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-653-9917. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026