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Technical Data Sheet
PartsTable / COMPONENT / 481181N
481181N ✓ 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: RECESSED, seal_width: 0.250 INCHES NOMINAL IN, temp_rating: -65.0 CELSIUS AND 225.0 CELSIUS DEGC, outside_diameter: 2.129 INCHES NOMINAL IN, attachment_method: CEMENTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-929-6538, 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
481181N
NSN: 5330-00-929-6538
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleRECESSED
seal_width0.250 INCHES NOMINAL IN
temp_rating-65.0 CELSIUS AND 225.0 CELSIUS DEGC
outside_diameter2.129 INCHES NOMINAL IN
attachment_methodCEMENTED
surface_treatmentPLASTIC CASE
housing_bore_diameter2.125 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter1.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-929-6538
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 481181N 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
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
OUTSIDE DIAMETER: 2.129 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
•
SEALING ELEMENT STYLE: VERTICAL
•
ACCOMMODATED SHAFT DIAMETER: 1.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
HOUSING BORE DIAMETER: 2.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLERECESSED
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
OUTSIDE DIAMETER2.129 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
SEALING ELEMENT STYLEVERTICAL
ACCOMMODATED SHAFT DIAMETER1.625 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER2.125 INCHES NOMINAL IN
TEMP RATING-65.0 CELSIUS AND 225.0 CELSIUS DEGC
ATTACHMENT METHODCEMENTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
989084-23Interchangeable
interchangeable cross-reference
interchangeable
16054Interchangeable
interchangeable cross-reference
interchangeable
PP311Interchangeable
interchangeable cross-reference
interchangeable
53A68B124Interchangeable
interchangeable cross-reference
interchangeable
16054ADXInterchangeable
interchangeable cross-reference
interchangeable
481181PC5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 481181N?
481181N is a SEAL,PLAIN ENCASED.
What parts can replace 481181N?
There are 17 known substitutes for 481181N: 989084-23, 16054, PP311 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 481181N?
481181N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-929-6538. 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