PartsTable
Technical Data Sheet
840948 ✓ 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 SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.562 INCHES NOMINAL IN, housing_bore_diameter: 4.125 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 3.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-8370, 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
840948
NSN: 5330-00-154-8370
FSC: 5330
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.562 INCHES NOMINAL IN
housing_bore_diameter4.125 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-154-8370
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 840948 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
SEALING ELEMENT STYLE: ANGULAR
HOUSING BORE DIAMETER: 4.125 INCHES NOMINAL IN
MATERIAL: STEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER: 3.000 INCHES NOMINAL IN
SEAL WIDTH: 0.562 INCHES NOMINAL IN
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER4.125 INCHES NOMINAL IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER3.000 INCHES NOMINAL IN
SEAL WIDTH0.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
55154Interchangeable
interchangeable cross-reference
interchangeable
130005Interchangeable
interchangeable cross-reference
interchangeable
101-44-8Interchangeable
interchangeable cross-reference
interchangeable
8027352Interchangeable
interchangeable cross-reference
interchangeable
2306-08-00Interchangeable
interchangeable cross-reference
interchangeable
H7698PC12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 840948?
840948 is a SEAL,PLAIN ENCASED.
What parts can replace 840948?
There are 20 known substitutes for 840948: 55154, 130005, 101-44-8 and 17 more. Substitute compatibility should be verified for your specific system.
Is 840948 still available?
840948 is currently cancelled.
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