PartsTable
Technical Data Sheet
4D98571G03 ITEM 18 ✓ 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,PIPE is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE THIRD END, part_name_assigned_by_controlling_agency: TEE ADAPTER;1/4X3/8NPTF FEM X 3/8 NPTF MALE POWER TEAM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-519-8716, 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
4D98571G03 ITEM 18
NSN: 4730-01-519-8716
FSC: 4730
CAGE: 04808 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV CURTISS-WRIGHT EMD (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE THIRD END
part_name_assigned_by_controlling_agencyTEE ADAPTER;1/4X3/8NPTF FEM X 3/8 NPTF MALE POWER TEAM
NSN4730-01-519-8716
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4D98571G03 ITEM 18 · 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 TYPE: THREADED INTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
PART NAME ASSIGNED BY CONTROLLING AGENCYTEE ADAPTER;1/4X3/8NPTF FEM X 3/8 NPTF MALE POWER TEAM
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5088Interchangeable
interchangeable cross-reference
interchangeable
CIT 3957Interchangeable
interchangeable cross-reference
interchangeable
8441Interchangeable
interchangeable cross-reference
interchangeable
22271Interchangeable
interchangeable cross-reference
interchangeable
9670Interchangeable
interchangeable cross-reference
interchangeable
50541Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4D98571G03 ITEM 18?
4D98571G03 ITEM 18 is a TEE,PIPE.
What parts can replace 4D98571G03 ITEM 18?
There are 18 known substitutes for 4D98571G03 ITEM 18: 5088, CIT 3957, 8441 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4D98571G03 ITEM 18?
4D98571G03 ITEM 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-519-8716. This indicates validated use in U.S. government and defense supply chains.
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