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39J718-593 — GASKET,SPIRAL WOUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

39J718-593: GASKET,SPIRAL WOUND.

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL OVERALL, outside_diameter: 3.938 INCHES NOMINAL3.938 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.188 INCHES NOMINAL3.188 INCHES NOMINAL IN, cross-sectional_thickness: 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-171-6909, 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
39J718-593
NSN: 5330-00-171-6909
FSC: 5330 — Packing and Gasket Materials
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL OVERALL
outside_diameter3.938 INCHES NOMINAL3.938 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.188 INCHES NOMINAL3.188 INCHES NOMINAL IN
cross-sectional_thickness0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
material_document_and_classificationMIL-G-16265 CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-171-6909
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 39J718-593 MFR: OEM ⚠ 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 THICKNESS: 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-16265 CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
•
OUTSIDE DIAMETER: 3.938 INCHES NOMINAL3.938 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.188 INCHES NOMINAL3.188 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-16265 CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
OUTSIDE DIAMETER3.938 INCHES NOMINAL3.938 INCHES NOMINAL IN
APERTURE DIAMETER3.188 INCHES NOMINAL3.188 INCHES NOMINAL IN
MATERIALASBESTOS AND STEEL OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
SPECIALSTYLER3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 39J718-593?
39J718-593 is a GASKET,SPIRAL WOUND.
What parts can replace 39J718-593?
There is 1 known substitute for 39J718-593: SPECIALSTYLER3. Substitute compatibility should be verified for your specific system.
What is the NSN for 39J718-593?
39J718-593 is cataloged in the U.S. Government catalog under NSN 5330-00-171-6909. 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.