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PartsTable / COMPONENT / 301SJ522
301SJ522 ✓ 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: 0.750 INCHES NOMINAL IN, temp_rating: -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, housing_bore_diameter: 11.000 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-865-7543, 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
301SJ522
NSN: 5330-00-865-7543
FSC: 5330
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.750 INCHES NOMINAL IN
temp_rating-50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
housing_bore_diameter11.000 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter9.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-865-7543
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 301SJ522 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
•
SEAL WIDTH: 0.750 INCHES NOMINAL IN
•
TEMP RATING: -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
HOUSING BORE DIAMETER: 11.000 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 9.750 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.750 INCHES NOMINAL IN
TEMP RATING-50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
HOUSING BORE DIAMETER11.000 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER9.750 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
55239Interchangeable
interchangeable cross-reference
interchangeable
380-2502K 7/8 IN. SHAFTInterchangeable
interchangeable cross-reference
interchangeable
864541-0001Interchangeable
interchangeable cross-reference
interchangeable
JMP253Interchangeable
interchangeable cross-reference
interchangeable
55-05-0239Interchangeable
interchangeable cross-reference
interchangeable
T17-0001Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 301SJ522?
301SJ522 is a SEAL,PLAIN ENCASED.
What parts can replace 301SJ522?
There are 7 known substitutes for 301SJ522: 55239, 380-2502K 7/8 IN. SHAFT, 864541-0001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 301SJ522?
301SJ522 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-865-7543. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026