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2587141 ✓ 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: STEEL CASE, case_style: SQUARE, seal_width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, temp_rating: -25.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, outside_diameter: 3.005 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-405-2771, 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
2587141
NSN: 5330-00-405-2771
FSC: 5330
CAGE: A9271 — GORIZIANE GROUP SPA (ITA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
temp_rating-25.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
outside_diameter3.005 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.000 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.998 INCHES MINIMUM IN
NSN5330-00-405-2771
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2587141 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
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT DIAMETER: 1.998 INCHES MINIMUM IN
•
HOUSING BORE DIAMETER: 3.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 3.005 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER1.998 INCHES MINIMUM IN
HOUSING BORE DIAMETER3.000 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER3.005 INCHES NOMINAL IN
SEAL WIDTH0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
TEMP RATING-25.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
C-WK-658-20 PIECE 10Interchangeable
interchangeable cross-reference
interchangeable
20006Interchangeable
interchangeable cross-reference
interchangeable
8079491Interchangeable
interchangeable cross-reference
interchangeable
6Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-17709 TYEInterchangeable
interchangeable cross-reference
interchangeable
3221340Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2587141?
2587141 is a SEAL,PLAIN ENCASED.
What parts can replace 2587141?
There are 14 known substitutes for 2587141: C-WK-658-20 PIECE 10, 20006, 8079491 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2587141?
2587141 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-405-2771. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026