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Technical Data Sheet
298-03052-68 ✓ 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: 0.562 INCHES NOMINAL IN, housing_bore_diameter: 5.750 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 3.562 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 5330-00-883-0504, 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
298-03052-68
NSN: 5330-00-883-0504
FSC: 5330
CAGE: 61361 — REXWORKS INC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.562 INCHES NOMINAL IN
housing_bore_diameter5.750 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.562 INCHES NOMINAL IN
NSN5330-00-883-0504
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 298-03052-68 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: 5.750 INCHES NOMINAL IN
SEAL WIDTH: 0.562 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT DIAMETER: 3.562 INCHES NOMINAL IN
MATERIAL: STEEL CASE
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER5.750 INCHES NOMINAL IN
SEAL WIDTH0.562 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER3.562 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
21302-5Interchangeable
interchangeable cross-reference
interchangeable
218-21327-2Interchangeable
interchangeable cross-reference
interchangeable
5540-2Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 298-03052-68?
298-03052-68 is a SEAL,PLAIN ENCASED.
What parts can replace 298-03052-68?
There are 4 known substitutes for 298-03052-68: 21302-5, 218-21327-2, 5540-2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 298-03052-68?
298-03052-68 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-883-0504. This indicates validated use in U.S. government and defense supply chains.
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