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526189 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

526189: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include seal_width: 0.250 INCHES NOMINAL IN, special_features: 0.500 IN. DIA IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-902-7765, 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
526189
NSN: 5330-00-902-7765
NIINs: 009027765, 010627364
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
seal_width0.250 INCHES NOMINAL IN
special_features0.500 IN. DIA IN
NSN5330-00-902-7765
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 526189 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
•
FSC APPLICATION DATA: JET ENGINE ACFT
•
SEAL WIDTH: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.124 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR SEALING ELEMENT B
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAJET ENGINE ACFT
SEAL WIDTH0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.124 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.500 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 2
514571Reference document
Same NSN cross-reference
Reference document — Secondary reference
6844824Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 526189?
526189 is a SEAL,PLAIN ENCASED.
What parts can replace 526189?
There are 2 known substitutes for 526189: 514571, 6844824. Substitute compatibility should be verified for your specific system.
What is the NSN for 526189?
526189 is cataloged in the U.S. Government catalog under NSN 5330-00-902-7765. This indicates validated use in U.S. government and defense supply chains.
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