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Technical Data Sheet
18328A ✓ 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 BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 2.2812 INCHES NOMINAL IN, material: STEEL OVERALL, corner_shape: SQUARE SECOND OUTSIDE CORNER, outside_diameter: 4.7500 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.1340 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4627, 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
18328A
NSN: 5330-00-178-4627
FSC: 5330
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
diameter2.2812 INCHES NOMINAL IN
materialSTEEL OVERALL
corner_shapeSQUARE SECOND OUTSIDE CORNER
outside_diameter4.7500 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.1340 INCHES NOMINAL IN
surface_conditionGROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5330-00-178-4627
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18328A 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
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
MATERIAL: LEATHER SEALING ELEMENT
CASE STYLE: SQUARE
SEAL WIDTH: 0.438 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 1.828 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
CASE STYLESQUARE
SEAL WIDTH0.438 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.828 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
OUTSIDE DIAMETER1.832 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
8846Interchangeable
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884618C1Interchangeable
interchangeable cross-reference
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5003-7Interchangeable
interchangeable cross-reference
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10-324860Interchangeable
interchangeable cross-reference
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43958Interchangeable
interchangeable cross-reference
interchangeable
42315Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18328A?
18328A is a BEARING,WASHER,THRUST.
What parts can replace 18328A?
There are 31 known substitutes for 18328A: 8846, 884618C1, 5003-7 and 28 more. Substitute compatibility should be verified for your specific system.
Is 18328A still available?
18328A is currently cancelled.
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