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39488 — EXPANSION JOINT,PIPE

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

39488: EXPANSION JOINT,PIPE.

The EXPANSION JOINT,PIPE is a Legrand industrial component. Key specifications include material: STEEL FLANGE, joint_type: DOUBLE, design_type: DIAPHRAGM, end_connection_type: FLANGED, end_item_identification: OLIVER PERRY CLASS FFG. MISC.

PARTS., traverse_maximum_length: 2.000 INCHES IN. This part is cataloged in the U.S. Government catalog under NSN 5331-00-079-8689, 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
39488
NSN: 5331-00-079-8689
NIINs: 000798689, 014174924
FSC: 5331 — O-ring
CAGE: 17657 — DICTAPHONE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL FLANGE
joint_typeDOUBLE
design_typeDIAPHRAGM
end_connection_typeFLANGED
end_item_identificationOLIVER PERRY CLASS FFG. MISC. PARTS.
traverse_maximum_length2.000 INCHES IN
nominal_pipe_size_designation8.000 INCHES IN
NSN5331-00-079-8689
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 39488 MFR: Legrand ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.176 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.176 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 39488?
39488 is a EXPANSION JOINT,PIPE manufactured by Legrand.
What is the NSN for 39488?
39488 is cataloged in the U.S. Government catalog under NSN 5331-00-079-8689. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.