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PartsTable / COMPONENT / 28-P-220
28-P-220 ✓ 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: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.469 INCHES NOMINAL IN, housing_bore_diameter: 3.350 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.500 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 5330-00-369-3176, 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
28-P-220
NSN: 5330-00-369-3176
FSC: 5330
CAGE: 11757 — PARKER HANNIFIN CORPORATION DIV CHELSEA PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.469 INCHES NOMINAL IN
housing_bore_diameter3.350 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.500 INCHES NOMINAL IN
NSN5330-00-369-3176
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 28-P-220 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
•
HOUSING BORE DIAMETER: 3.350 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.469 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER3.350 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.500 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.469 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
TTU347EInterchangeable
interchangeable cross-reference
interchangeable
2728Interchangeable
interchangeable cross-reference
interchangeable
AN6227-28Interchangeable
interchangeable cross-reference
interchangeable
AN6227-28ESInterchangeable
interchangeable cross-reference
interchangeable
SP3128PCSP3128Interchangeable
interchangeable cross-reference
interchangeable
P9145093Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28-P-220?
28-P-220 is a SEAL,PLAIN ENCASED.
What parts can replace 28-P-220?
There are 14 known substitutes for 28-P-220: TTU347E, 2728, AN6227-28 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28-P-220?
28-P-220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-369-3176. 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