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Technical Data Sheet
PartsTable / COMPONENT / 02-20-47411-181 ITEM 20
02-20-47411-181 ITEM 20 ✓ 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 A, case_style: RECESSED, seal_width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, special_features: SEAL PERIPHERY COATED WITH AN ELASTOMERIC OR RESINOUS BORE SEALING COMPOUND, housing_bore_diameter: 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-450-7396, 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
02-20-47411-181 ITEM 20
NSN: 5330-00-450-7396
FSC: 5330
CAGE: 84659 — SAFEGUARD POWERTECH SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT A
case_styleRECESSED
seal_width0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
special_featuresSEAL PERIPHERY COATED WITH AN ELASTOMERIC OR RESINOUS BORE SEALING COMPOUND
housing_bore_diameter1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter0.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-450-7396
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 02-20-47411-181 ITEM 20 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-OPPOSED
•
HOUSING BORE DIAMETER: 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT B
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
SPECIAL FEATURESSEAL PERIPHERY COATED WITH AN ELASTOMERIC OR RESINOUS BORE SEALING COMPOUND
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
CASE STYLERECESSED
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SEAL WIDTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
S9Interchangeable
interchangeable cross-reference
interchangeable
8914-10Interchangeable
interchangeable cross-reference
interchangeable
7443Interchangeable
interchangeable cross-reference
interchangeable
60204Interchangeable
interchangeable cross-reference
interchangeable
3H1911-3S7Interchangeable
interchangeable cross-reference
interchangeable
11055AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 02-20-47411-181 ITEM 20?
02-20-47411-181 ITEM 20 is a SEAL,PLAIN ENCASED.
What parts can replace 02-20-47411-181 ITEM 20?
There are 27 known substitutes for 02-20-47411-181 ITEM 20: S9, 8914-10, 7443 and 24 more. Substitute compatibility should be verified for your specific system.
Is 02-20-47411-181 ITEM 20 still available?
02-20-47411-181 ITEM 20 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