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Technical Data Sheet
PartsTable / COMPONENT / 15-97-0972
15-97-0972 ✓ 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 EXPANSION JOINT,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY FLANGE, joint_type: SINGLE, design_type: SLIP, overall_length: 7.750 INCHES NOMINAL IN, bolt_hole_diameter: 0.688 INCHES NOMINAL IN, bolt_circle_diameter: 0.625 INCHES NOMINAL 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 4730-00-064-8584, 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
15-97-0972
NSN: 4730-00-064-8584
FSC: 4730
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY FLANGE
joint_typeSINGLE
design_typeSLIP
overall_length7.750 INCHES NOMINAL IN
bolt_hole_diameter0.688 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter0.625 INCHES NOMINAL IN
traverse_maximum_length0.250 INCHES IN
working_pressure_rating650.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
nominal_pipe_size_designation2.000 INCHES IN
NSN4730-00-064-8584
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 15-97-0972 · 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
•
BOLT CIRCLE DIAMETER: 0.625 INCHES NOMINAL IN
•
TRAVERSE MAXIMUM LENGTH: 0.250 INCHES IN
•
JOINT TYPE: SINGLE
•
NOMINAL PIPE SIZE DESIGNATION: 2.000 INCHES IN
•
BOLT HOLE DIAMETER: 0.688 INCHES NOMINAL IN
•
DESIGN TYPE: SLIP
•
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
BOLT CIRCLE DIAMETER0.625 INCHES NOMINAL IN
TRAVERSE MAXIMUM LENGTH0.250 INCHES IN
JOINT TYPESINGLE
NOMINAL PIPE SIZE DESIGNATION2.000 INCHES IN
BOLT HOLE DIAMETER0.688 INCHES NOMINAL IN
DESIGN TYPESLIP
BOLT HOLE QUANTITY6
OVERALL LENGTH7.750 INCHES NOMINAL IN
MATERIALCOPPER ALLOY FLANGE
WORKING PRESSURE RATING650.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
15-97-0973Interchangeable
interchangeable cross-reference
interchangeable
2640-068REVSPC1T012Interchangeable
interchangeable cross-reference
interchangeable
15-97-0934Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889817Interchangeable
interchangeable cross-reference
interchangeable
2641-068ASSYIRMInterchangeable
interchangeable cross-reference
interchangeable
2641-068ASSYIRKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15-97-0972?
15-97-0972 is a EXPANSION JOINT,PIPE.
What parts can replace 15-97-0972?
There are 10 known substitutes for 15-97-0972: 15-97-0973, 2640-068REVSPC1T012, 15-97-0934 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15-97-0972?
15-97-0972 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-064-8584. 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