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Technical Data Sheet
625420M1 ✓ 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, outside_diameter: 6.256 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 6.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-973-8904, 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
625420M1
NSN: 5330-00-973-8904
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.562 INCHES NOMINAL IN
outside_diameter6.256 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter6.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-973-8904
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 625420M1 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
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 6.250 INCHES NOMINAL IN
CASE STYLE: SQUARE
OUTSIDE DIAMETER: 6.256 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER6.250 INCHES NOMINAL IN
CASE STYLESQUARE
OUTSIDE DIAMETER6.256 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
SURFACE TREATMENTPLASTIC CASE
SEAL WIDTH0.562 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER4.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
128203Interchangeable
interchangeable cross-reference
interchangeable
56-325Interchangeable
interchangeable cross-reference
interchangeable
4-6331Interchangeable
interchangeable cross-reference
interchangeable
MILB11040Interchangeable
interchangeable cross-reference
interchangeable
S3475Interchangeable
interchangeable cross-reference
interchangeable
46325Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 625420M1?
625420M1 is a SEAL,PLAIN ENCASED.
What parts can replace 625420M1?
There are 17 known substitutes for 625420M1: 128203, 56-325, 4-6331 and 14 more. Substitute compatibility should be verified for your specific system.
Is 625420M1 still available?
625420M1 is currently cancelled.
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