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146398PC8 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

146398PC8: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 68.0 SHORE DUROMETER A NOMINAL OVERALL, rim_surface_width: 0.312 INCHES NOMINAL IN, inner_groove_depth: 0.120 INCHES NOMINAL IN, inner_groove_width: 0.250 INCHES NOMINAL IN, peripheral_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-599-8637, 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
146398PC8
NSN: 5330-00-599-8637
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating68.0 SHORE DUROMETER A NOMINAL OVERALL
rim_surface_width0.312 INCHES NOMINAL IN
inner_groove_depth0.120 INCHES NOMINAL IN
inner_groove_width0.250 INCHES NOMINAL IN
peripheral_diameter1.250 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
NSN5330-00-599-8637
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 146398PC8 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 HEIGHT: 0.375 INCHES NOMINAL IN
•
INNER GROOVE DEPTH: 0.120 INCHES NOMINAL IN
•
HARDNESS RATING: 68.0 SHORE DUROMETER A NOMINAL OVERALL
•
RIM SURFACE WIDTH: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 1.250 INCHES NOMINAL IN
•
INNER GROOVE WIDTH: 0.250 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
INNER GROOVE DEPTH0.120 INCHES NOMINAL IN
HARDNESS RATING68.0 SHORE DUROMETER A NOMINAL OVERALL
RIM SURFACE WIDTH0.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER1.250 INCHES NOMINAL IN
INNER GROOVE WIDTH0.250 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
38984Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 146398PC8?
146398PC8 is a PACKING,PREFORMED.
What parts can replace 146398PC8?
There is 1 known substitute for 146398PC8: 38984. Substitute compatibility should be verified for your specific system.
What is the NSN for 146398PC8?
146398PC8 is cataloged in the U.S. Government catalog under NSN 5330-00-599-8637. 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.