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44539 ✓ 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 fsc_application_data: TEST SET, ELECT. EQUIP., supplementary_features: CHANNEL 9 CTR FREQ 189 MGHZ.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-393-6269, 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
44539
NSN: 5330-00-393-6269
FSC: 5330
CAGE: 30076 — HYSTER-YALE GROUP, INC. (USA)
SPECIFICATIONS
fsc_application_dataTEST SET, ELECT. EQUIP.
supplementary_featuresCHANNEL 9 CTR FREQ 189 MGHZ
NSN5330-00-393-6269
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 44539 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
•
OUTSIDE DIAMETER: 6.125 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
ATTACHMENT HOLE DIAMETER: 0.563 INCHES NOMINAL IN
•
CASE STYLE: SHOULDERED
•
SEAL WIDTH: 0.547 INCHES NOMINAL IN
•
ATTACHMENT METHOD: ROUND HOLE
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 5.312 INCHES NOMINAL SINGLE CIRCLE IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER6.125 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ATTACHMENT HOLE DIAMETER0.563 INCHES NOMINAL IN
CASE STYLESHOULDERED
SEAL WIDTH0.547 INCHES NOMINAL IN
ATTACHMENT METHODROUND HOLE
ATTACHMENT FEATURE CIRCLE DIAMETER5.312 INCHES NOMINAL SINGLE CIRCLE IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ATTACHMENT FEATURE QUANTITY8
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
C12257Interchangeable
interchangeable cross-reference
interchangeable
110 1-1/16Interchangeable
interchangeable cross-reference
interchangeable
10068Interchangeable
interchangeable cross-reference
interchangeable
821150Interchangeable
interchangeable cross-reference
interchangeable
5214672Interchangeable
interchangeable cross-reference
interchangeable
5A7253Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44539?
44539 is a SEAL,PLAIN ENCASED.
What parts can replace 44539?
There are 23 known substitutes for 44539: C12257, 110 1-1/16, 10068 and 20 more. Substitute compatibility should be verified for your specific system.
Is 44539 still available?
44539 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