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Technical Data Sheet
300FM28 ✓ 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: WOOL SEALING ELEMENT A, case_style: SQUARE, seal_width: 0.750 INCHES NOMINAL IN, housing_bore_diameter: 3.000 INCHES NOMINAL IN, sealing_element_style: VERTICAL-ANGULAR, accommodated_shaft_diameter: 2.250 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 5330-00-582-3900, 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
300FM28
NSN: 5330-00-582-3900
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialWOOL SEALING ELEMENT A
case_styleSQUARE
seal_width0.750 INCHES NOMINAL IN
housing_bore_diameter3.000 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter2.250 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-582-3900
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 300FM28 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
MATERIAL: WOOL SEALING ELEMENT A
CASE STYLE: SQUARE
SEAL WIDTH: 0.750 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 3.000 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 2.250 INCHES NOMINAL IN
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALWOOL SEALING ELEMENT A
CASE STYLESQUARE
SEAL WIDTH0.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
HOUSING BORE DIAMETER3.000 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL-ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
AM3189UPX14Interchangeable
interchangeable cross-reference
interchangeable
22-362Interchangeable
interchangeable cross-reference
interchangeable
W33-7535-30Interchangeable
interchangeable cross-reference
interchangeable
87000-1112Interchangeable
interchangeable cross-reference
interchangeable
223.62Interchangeable
interchangeable cross-reference
interchangeable
00493501207Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 300FM28?
300FM28 is a SEAL,PLAIN ENCASED.
What parts can replace 300FM28?
There are 8 known substitutes for 300FM28: AM3189UPX14, 22-362, W33-7535-30 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 300FM28?
300FM28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-3900. This indicates validated use in U.S. government and defense supply chains.
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