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PartsTable / COMPONENT / 56145-2-1-2
56145-2-1-2 ✓ 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: DISHED, attachment_method: CEMENTED, surface_treatment: CADMIUM CASE, housing_bore_diameter: 3.340 INCHES NOMINAL IN, sealing_element_style: VERTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-963-0217, 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
56145-2-1-2
NSN: 5330-00-963-0217
FSC: 5330
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleDISHED
attachment_methodCEMENTED
surface_treatmentCADMIUM CASE
housing_bore_diameter3.340 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter2.500 INCHES NOMINAL IN
NSN5330-00-963-0217
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56145-2-1-2 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: 3.340 INCHES NOMINAL IN
•
ATTACHMENT METHOD: CEMENTED
•
MATERIAL: STEEL CASE
•
SURFACE TREATMENT: CADMIUM CASE
•
CASE STYLE: DISHED
•
ACCOMMODATED SHAFT DIAMETER: 2.500 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER3.340 INCHES NOMINAL IN
ATTACHMENT METHODCEMENTED
MATERIALSTEEL CASE
SURFACE TREATMENTCADMIUM CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CASE STYLEDISHED
ACCOMMODATED SHAFT DIAMETER2.500 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
180-705Interchangeable
interchangeable cross-reference
interchangeable
20727002 REV J FN 82Interchangeable
interchangeable cross-reference
interchangeable
20727002Interchangeable
interchangeable cross-reference
interchangeable
20727061Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56145-2-1-2?
56145-2-1-2 is a SEAL,PLAIN ENCASED.
What parts can replace 56145-2-1-2?
There are 4 known substitutes for 56145-2-1-2: 180-705, 20727002 REV J FN 82, 20727002 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56145-2-1-2?
56145-2-1-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-963-0217. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026