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542664 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

542664: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.234 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN, housing_bore_diameter: 1.563 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-087-2296, 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
542664
NSN: 5330-00-087-2296
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.234 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
housing_bore_diameter1.563 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
accommodated_shaft_maximum_rated_speed2140 FEET PER MINUTE FT
NSN5330-00-087-2296
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 542664 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: 0.234 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.563 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2140 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.234 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.563 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2140 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 8
02423158300Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-300-138-03Reference document
Same NSN cross-reference
Reference document — Secondary reference
4040Reference document
Same NSN cross-reference
Reference document — Secondary reference
30-508672Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-300-138Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-300-138-04Reference 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 542664?
542664 is a SEAL,PLAIN ENCASED.
What parts can replace 542664?
There are 8 known substitutes for 542664: 02423158300, 2-300-138-03, 4040 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 542664?
542664 is cataloged in the U.S. Government catalog under NSN 5330-00-087-2296. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.