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Technical Data Sheet
PartsTable / COMPONENT / 2478876PC1
2478876PC1 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, temp_rating: -45.0 CELSIUS AND 100.0 CELSIUS DEGC, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 0.438 INCHES NOMINAL IN, center_hole_diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-498-9706, 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
2478876PC1
NSN: 5330-00-498-9706
FSC: 5330
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER OVERALL
temp_rating-45.0 CELSIUS AND 100.0 CELSIUS DEGC
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter0.438 INCHES NOMINAL IN
center_hole_diameter0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
material_document_and_classification366Y,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-498-9706
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2478876PC1 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
•
PERIPHERAL DIAMETER: 0.438 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
TEMP RATING: -45.0 CELSIUS AND 100.0 CELSIUS DEGC
•
MATERIAL DOCUMENT AND CLASSIFICATION: 366Y,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: RUBBER OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER0.438 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
TEMP RATING-45.0 CELSIUS AND 100.0 CELSIUS DEGC
MATERIAL DOCUMENT AND CLASSIFICATION366Y,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER OVERALL
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
L280486-1Interchangeable
interchangeable cross-reference
interchangeable
41658Interchangeable
interchangeable cross-reference
interchangeable
Q-4011Interchangeable
interchangeable cross-reference
interchangeable
93436DMQBInterchangeable
interchangeable cross-reference
interchangeable
722917-50Interchangeable
interchangeable cross-reference
interchangeable
A52PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2478876PC1?
2478876PC1 is a PACKING,PREFORMED.
What parts can replace 2478876PC1?
There are 17 known substitutes for 2478876PC1: L280486-1, 41658, Q-4011 and 14 more. Substitute compatibility should be verified for your specific system.
Is 2478876PC1 still available?
2478876PC1 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026