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PartsTable / COMPONENT / 411509R61
411509R61 ✓ 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 CASE, case_style: SQUARE, seal_width: 0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, outside_diameter: 3.256 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.251 INCHES MINIMUM AND 3.253 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-006-0770, 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
411509R61
NSN: 5330-00-006-0770
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
outside_diameter3.256 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.251 INCHES MINIMUM AND 3.253 INCHES MAXIMUM IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter2.500 INCHES NOMINAL IN
NSN5330-00-006-0770
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 411509R61 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: VERTICAL-ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 2.500 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.251 INCHES MINIMUM AND 3.253 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT A
•
SURFACE TREATMENT: PLASTIC CASE
•
SEAL WIDTH: 0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.256 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEVERTICAL-ANGULAR
ACCOMMODATED SHAFT DIAMETER2.500 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.251 INCHES MINIMUM AND 3.253 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SURFACE TREATMENTPLASTIC CASE
SEAL WIDTH0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.256 INCHES NOMINAL IN
MATERIALSTEEL CASE
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
72837Interchangeable
interchangeable cross-reference
interchangeable
D72837Interchangeable
interchangeable cross-reference
interchangeable
187984H1Interchangeable
interchangeable cross-reference
interchangeable
11273Interchangeable
interchangeable cross-reference
interchangeable
PRP902-14Interchangeable
interchangeable cross-reference
interchangeable
24903Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 411509R61?
411509R61 is a SEAL,PLAIN ENCASED.
What parts can replace 411509R61?
There are 19 known substitutes for 411509R61: 72837, D72837, 187984H1 and 16 more. Substitute compatibility should be verified for your specific system.
Is 411509R61 still available?
411509R61 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