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Technical Data Sheet
PartsTable / COMPONENT / 426979PC3
426979PC3 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING CASE, case_style: SQUARE, seal_width: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, housing_bore_diameter: 1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.938 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-576-4401, 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
426979PC3
NSN: 5330-00-576-4401
FSC: 5330
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CASE
case_styleSQUARE
seal_width0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
housing_bore_diameter1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.938 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-576-4401
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 426979PC3 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
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 0.938 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING CASE
•
HOUSING BORE DIAMETER: 1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER0.938 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING CASE
HOUSING BORE DIAMETER1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
SEAL WIDTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
8511Interchangeable
interchangeable cross-reference
interchangeable
CE00134-2-18Interchangeable
interchangeable cross-reference
interchangeable
M1085AInterchangeable
interchangeable cross-reference
interchangeable
8511XR1EInterchangeable
interchangeable cross-reference
interchangeable
AVP10S58-119PC304Interchangeable
interchangeable cross-reference
interchangeable
H3183904PC43Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 426979PC3?
426979PC3 is a SEAL,PLAIN ENCASED.
What parts can replace 426979PC3?
There are 17 known substitutes for 426979PC3: 8511, CE00134-2-18, M1085A and 14 more. Substitute compatibility should be verified for your specific system.
Is 426979PC3 still available?
426979PC3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026