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Technical Data Sheet
8728125 ✓ 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 NATURAL OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, housing_bore_diameter: 1.827 INCHES MINIMUM AND 1.829 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.375 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 5330-00-707-8823, 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
8728125
NSN: 5330-00-707-8823
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER NATURAL OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
housing_bore_diameter1.827 INCHES MINIMUM AND 1.829 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.375 INCHES NOMINAL IN
NSN5330-00-707-8823
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8728125 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
MATERIAL: RUBBER NATURAL OR RUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
HOUSING BORE DIAMETER: 1.827 INCHES MINIMUM AND 1.829 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER: 1.375 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER NATURAL OR RUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
SEAL WIDTH0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
HOUSING BORE DIAMETER1.827 INCHES MINIMUM AND 1.829 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER1.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
23220CYW33Interchangeable
interchangeable cross-reference
interchangeable
7341488Interchangeable
interchangeable cross-reference
interchangeable
1-106380-117Interchangeable
interchangeable cross-reference
interchangeable
23220AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8728125?
8728125 is a SEAL,PLAIN ENCASED.
What parts can replace 8728125?
There are 4 known substitutes for 8728125: 23220CYW33, 7341488, 1-106380-117 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8728125?
8728125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-707-8823. This indicates validated use in U.S. government and defense supply chains.
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