PartsTable
Technical Data Sheet
4PHS326-04 ✓ 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 TEE,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, leg_length: 0.808 INCHES NOMINAL THIRD END IN, seat_angle: 37.0 DEGREES SECOND END, thread_class: 3B THIRD END, connection_type: UNTHREADED INTERNAL TUBE SECOND END, connection_style: PLAIN (TUBE) SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-366-9997, 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
4PHS326-04
NSN: 4730-01-366-9997
FSC: 4730
CAGE: 0S664 — ADVANCED METAL COMPONENTS INC (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
leg_length0.808 INCHES NOMINAL THIRD END IN
seat_angle37.0 DEGREES SECOND END
thread_class3B THIRD END
connection_typeUNTHREADED INTERNAL TUBE SECOND END
connection_stylePLAIN (TUBE) SECOND END
nominal_thread_size0.437 INCHES THIRD END IN
thread_quantity_per_inch24 THIRD END
thread_series_designatorUNJS THIRD END
furnished_items_and_quantity1 SWIVEL NUT
material_document_and_classificationAMS4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-01-366-9997
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4PHS326-04 · 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 (TUBE) SECOND END
LEG LENGTH: 0.808 INCHES NOMINAL THIRD END IN
SEAT ANGLE: 37.0 DEGREES SECOND END
MATERIAL: TITANIUM ALLOY UNS R56400 OVERALL
THREAD CLASS: 3B THIRD END
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (TUBE) SECOND END
LEG LENGTH0.808 INCHES NOMINAL THIRD END IN
SEAT ANGLE37.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES FIRST END
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END THIRD END
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
THREAD CLASS3B THIRD END
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL TUBE THIRD END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
A540T053-102Interchangeable
interchangeable cross-reference
interchangeable
3151678Interchangeable
interchangeable cross-reference
interchangeable
STSMTURSNWHITEInterchangeable
interchangeable cross-reference
interchangeable
623-612BInterchangeable
interchangeable cross-reference
interchangeable
921500Interchangeable
interchangeable cross-reference
interchangeable
AP3803T04Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4PHS326-04?
4PHS326-04 is a TEE,TUBE.
What parts can replace 4PHS326-04?
There are 9 known substitutes for 4PHS326-04: A540T053-102, 3151678, STSMTURSNWHITE and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4PHS326-04?
4PHS326-04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-366-9997. This indicates validated use in U.S. government and defense supply chains.
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