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704-4677742 ITE — Technical Data Sheet

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— · 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 TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, seat_type: GASKET, overall_length: 2.250 INCHES MINIMUM IN, flange_thickness: 0.312 INCHES NOMINAL IN, end_connection_type: BRAZED, flange_outside_diameter: 1.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-131-6297, 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
704-4677742 ITE
NSN: 4730-01-131-6297
FSC: 4730
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304
seat_typeGASKET
overall_length2.250 INCHES MINIMUM IN
flange_thickness0.312 INCHES NOMINAL IN
end_connection_typeBRAZED
flange_outside_diameter1.625 INCHES NOMINAL IN
nominal_pipe_size_designation0.500 INCHES IN
NSN4730-01-131-6297
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 704-4677742 ITE · 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
•
END CONNECTION TYPE: BRAZED
•
SEAT TYPE: GASKET
•
MATERIAL: STEEL COMP 304
•
FLANGE THICKNESS: 0.312 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE DESIGNATION: 0.500 INCHES IN
•
FLANGE OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END CONNECTION TYPEBRAZED
SEAT TYPEGASKET
MATERIALSTEEL COMP 304
FLANGE THICKNESS0.312 INCHES NOMINAL IN
NOMINAL PIPE SIZE DESIGNATION0.500 INCHES IN
OVERALL LENGTH2.250 INCHES MINIMUM IN
FLANGE OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2621-791-01PIECInterchangeable
Same NIIN cross-reference
interchangeable
2621-791-01Interchangeable
Same NIIN cross-reference
interchangeable
2621-791-01PC11Interchangeable
Same NIIN cross-reference
interchangeable
2621-791-01 PIECE 112Interchangeable
Tailpiece,union
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 704-4677742 ITE?
704-4677742 ITE is a TAILPIECE,UNION.
What parts can replace 704-4677742 ITE?
There are 4 known substitutes for 704-4677742 ITE: 2621-791-01PIEC, 2621-791-01, 2621-791-01PC11 and 1 more. Substitute compatibility should be verified for your specific system.
Is 704-4677742 ITE still available?
704-4677742 ITE is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026