PartsTable
Technical Data Sheet
21158-1482 ✓ 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 B, case_style: SQUARE, seal_width: 0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, housing_bore_diameter: 3.125 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-8392, 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
21158-1482
NSN: 5330-00-285-8392
FSC: 5330
CAGE: F0663 — CHROMEX DISTRIBUTION (FRA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT B
case_styleSQUARE
seal_width0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
housing_bore_diameter3.125 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.250 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-285-8392
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21158-1482 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: 0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
MATERIAL: LEATHER SEALING ELEMENT A
ACCOMMODATED SHAFT DIAMETER: 2.250 INCHES NOMINAL IN
CASE STYLE: SQUARE
HOUSING BORE DIAMETER: 3.125 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT A
ACCOMMODATED SHAFT DIAMETER2.250 INCHES NOMINAL IN
CASE STYLESQUARE
HOUSING BORE DIAMETER3.125 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A51G9004-1Interchangeable
interchangeable cross-reference
interchangeable
3-1328Interchangeable
interchangeable cross-reference
interchangeable
24182Interchangeable
interchangeable cross-reference
interchangeable
7272Interchangeable
interchangeable cross-reference
interchangeable
46-788Interchangeable
interchangeable cross-reference
interchangeable
231328Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21158-1482?
21158-1482 is a SEAL,PLAIN ENCASED.
What parts can replace 21158-1482?
There are 10 known substitutes for 21158-1482: A51G9004-1, 3-1328, 24182 and 7 more. Substitute compatibility should be verified for your specific system.
Is 21158-1482 still available?
21158-1482 is currently cancelled.
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