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542654-81 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

542654-81: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING CASE, case_style: SQUARE, seal_width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, housing_bore_diameter: 4.9985 INCHES MINIMUM AND 5.0015 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 3.623 INCHES MINIMUM AND 3.627 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-948-4062, 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
542654-81
NSN: 5330-00-948-4062
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CASE
case_styleSQUARE
seal_width0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
housing_bore_diameter4.9985 INCHES MINIMUM AND 5.0015 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.623 INCHES MINIMUM AND 3.627 INCHES MAXIMUM IN
NSN5330-00-948-4062
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 542654-81 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: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 4.9985 INCHES MINIMUM AND 5.0015 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.623 INCHES MINIMUM AND 3.627 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER4.9985 INCHES MINIMUM AND 5.0015 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.623 INCHES MINIMUM AND 3.627 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING CASE
MATERIALRUBBER SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 3
542654Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
515500Reference document
Same NSN cross-reference
Reference document — Secondary reference
80-515500Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 542654-81?
542654-81 is a SEAL,PLAIN ENCASED.
What parts can replace 542654-81?
There are 3 known substitutes for 542654-81: 542654, 515500, 80-515500. Substitute compatibility should be verified for your specific system.
What is the NSN for 542654-81?
542654-81 is cataloged in the U.S. Government catalog under NSN 5330-00-948-4062. This indicates validated use in U.S. government and defense supply chains.
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