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Technical Data Sheet
PartsTable / COMPONENT / 53X3648
53X3648 ✓ 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: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN, housing_bore_diameter: 11.500 INCHES NOMINAL IN, sealing_element_style: ANGULAR, maximum_pressure_rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-9464, 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
53X3648
NSN: 5330-00-285-9464
FSC: 5330
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
housing_bore_diameter11.500 INCHES NOMINAL IN
sealing_element_styleANGULAR
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter9.500 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-285-9464
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 53X3648 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: 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
•
ACCOMMODATED SHAFT DIAMETER: 9.500 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 11.500 INCHES NOMINAL IN
•
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
ACCOMMODATED SHAFT DIAMETER9.500 INCHES NOMINAL IN
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER11.500 INCHES NOMINAL IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
11916-1Interchangeable
interchangeable cross-reference
interchangeable
645-0107Interchangeable
interchangeable cross-reference
interchangeable
11916Interchangeable
interchangeable cross-reference
interchangeable
B2006-4BInterchangeable
interchangeable cross-reference
interchangeable
95050Interchangeable
interchangeable cross-reference
interchangeable
609Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53X3648?
53X3648 is a SEAL,PLAIN ENCASED.
What parts can replace 53X3648?
There are 13 known substitutes for 53X3648: 11916-1, 645-0107, 11916 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53X3648?
53X3648 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-9464. 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