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Technical Data Sheet
PartsTable / COMPONENT / 620-50326
620-50326 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A, case_style: SQUARE, seal_width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, outside_diameter: 1.756 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-734-8716, 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
620-50326
NSN: 5330-00-734-8716
FSC: 5330
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
case_styleSQUARE
seal_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
outside_diameter1.756 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter1.752 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.063 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-734-8716
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 620-50326 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 1.063 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
•
HOUSING BORE DIAMETER: 1.752 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.756 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER1.063 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
HOUSING BORE DIAMETER1.752 INCHES NOMINAL IN
CASE STYLESQUARE
SEAL WIDTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.756 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
10653Interchangeable
interchangeable cross-reference
interchangeable
MS29512-10Interchangeable
interchangeable cross-reference
interchangeable
PRP568-01-457-60-10Interchangeable
interchangeable cross-reference
interchangeable
51634Interchangeable
interchangeable cross-reference
interchangeable
V644UInterchangeable
interchangeable cross-reference
interchangeable
D21433Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 620-50326?
620-50326 is a SEAL,PLAIN ENCASED.
What parts can replace 620-50326?
There are 15 known substitutes for 620-50326: 10653, MS29512-10, PRP568-01-457-60-10 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 620-50326?
620-50326 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-734-8716. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026