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PartsTable / COMPONENT / JHP39-259-1
JHP39-259-1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.250 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.000 INCHES NOMINAL IN, bolt_circle_diameter: 3.500 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 5330-00-171-6575, 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
JHP39-259-1
NSN: 5330-00-171-6575
FSC: 5330
CAGE: 02032 — HOLLINGSWORTH JOHN R CO (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.250 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter2.000 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter3.500 INCHES NOMINAL IN
outside_corner_radius0.375 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center1.188 INCHES NOMINAL IN
NSN5330-00-171-6575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: JHP39-259-1 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
•
SIDE RADIUS FROM GASKET CENTER: 1.188 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: ASBESTOS OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE CORNER RADIUS0.375 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
SIDE RADIUS FROM GASKET CENTER1.188 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALASBESTOS OVERALL
STYLE DESIGNATORNON-CIRCULAR
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.500 INCHES NOMINAL IN
OVERALL WIDTH4.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
185N114Interchangeable
interchangeable cross-reference
interchangeable
17746Interchangeable
interchangeable cross-reference
interchangeable
48894Interchangeable
interchangeable cross-reference
interchangeable
EW9021Interchangeable
interchangeable cross-reference
interchangeable
17507Interchangeable
interchangeable cross-reference
interchangeable
10-473Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JHP39-259-1?
JHP39-259-1 is a GASKET.
What parts can replace JHP39-259-1?
There are 17 known substitutes for JHP39-259-1: 185N114, 17746, 48894 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JHP39-259-1?
JHP39-259-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-6575. 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