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Technical Data Sheet
PartsTable / COMPONENT / 15-97-5275
15-97-5275 ✓ 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 TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 715, seat_type: GASKET, seat_material: COPPER ALLOY 715, overall_length: 5.000 INCHES NOMINAL IN, flange_thickness: 0.312 INCHES NOMINAL IN, end_connection_type: BRAZED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-088-7297, 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
15-97-5275
NSN: 4730-01-088-7297
FSC: 4730
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY 715
seat_typeGASKET
seat_materialCOPPER ALLOY 715
overall_length5.000 INCHES NOMINAL IN
flange_thickness0.312 INCHES NOMINAL IN
end_connection_typeBRAZED
flange_outside_diameter2.188 INCHES NOMINAL IN
nominal_pipe_size_designation1.000 INCHES IN
working_pressure_and_service_type3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS
NSN4730-01-088-7297
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 15-97-5275 · 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
•
SEAT TYPE: GASKET
•
END CONNECTION TYPE: BRAZED
•
WORKING PRESSURE AND SERVICE TYPE: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS
•
SEAT MATERIAL: COPPER ALLOY 715
•
MATERIAL: COPPER ALLOY 715
•
NOMINAL PIPE SIZE DESIGNATION: 1.000 INCHES IN
•
FLANGE THICKNESS: 0.312 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 2.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEAT TYPEGASKET
END CONNECTION TYPEBRAZED
WORKING PRESSURE AND SERVICE TYPE3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS
SEAT MATERIALCOPPER ALLOY 715
MATERIALCOPPER ALLOY 715
NOMINAL PIPE SIZE DESIGNATION1.000 INCHES IN
FLANGE THICKNESS0.312 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER2.188 INCHES NOMINAL IN
OVERALL LENGTH5.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
2621-9-01PC15Interchangeable
Same NIIN cross-reference
interchangeable
15-97-5237Interchangeable
Same NIIN cross-reference
interchangeable
2621-791-01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15-97-5275?
15-97-5275 is a TAILPIECE,UNION.
What parts can replace 15-97-5275?
There are 3 known substitutes for 15-97-5275: 2621-9-01PC15, 15-97-5237, 2621-791-01. Substitute compatibility should be verified for your specific system.
Is 15-97-5275 still available?
15-97-5275 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: July 2026