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Technical Data Sheet
242HMS124 ✓ 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 color: BLACK, material: STEEL CASE, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-4905, 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
242HMS124
NSN: 5330-00-171-4905
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
colorBLACK
materialSTEEL CASE
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
housing_bore_diameter2.437 INCHES NOMINAL IN
sealing_element_styleANGULAR
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter1.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-171-4905
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 242HMS124 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
CASE STYLE: SQUARE
HOUSING BORE DIAMETER: 2.437 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
COLOR: BLACK
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
HOUSING BORE DIAMETER2.437 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
COLORBLACK
SEAL WIDTH0.375 INCHES NOMINAL IN
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
17290Interchangeable
interchangeable cross-reference
interchangeable
PSK2-17290Interchangeable
interchangeable cross-reference
interchangeable
21158-0898Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
63X898Interchangeable
interchangeable cross-reference
interchangeable
805506-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 242HMS124?
242HMS124 is a SEAL,PLAIN ENCASED.
What parts can replace 242HMS124?
There are 14 known substitutes for 242HMS124: 17290, PSK2-17290, 21158-0898 and 11 more. Substitute compatibility should be verified for your specific system.
Is 242HMS124 still available?
242HMS124 is currently cancelled.
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