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PartsTable / COMPONENT / 258511BN
258511BN ✓ 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: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, fsc_application_data: MATERIALHANDLING EQUIPMENT,NON SELF-PROPELLED, housing_bore_diameter: 2.375 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-812-1287, 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
258511BN
NSN: 5330-00-812-1287
FSC: 5330
CAGE: 83299 — HYSTER-YALE GROUP, INC. DBA YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
fsc_application_dataMATERIALHANDLING EQUIPMENT,NON SELF-PROPELLED
housing_bore_diameter2.375 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-812-1287
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 258511BN 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: 0.375 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: LEATHER SEALING ELEMENT
•
ACCOMMODATED SHAFT DIAMETER: 1.625 INCHES NOMINAL IN
•
FSC APPLICATION DATA: MATERIALHANDLING EQUIPMENT,NON SELF-PROPELLED
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALLEATHER SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER1.625 INCHES NOMINAL IN
FSC APPLICATION DATAMATERIALHANDLING EQUIPMENT,NON SELF-PROPELLED
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALSTEEL CASE
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
161919Interchangeable
interchangeable cross-reference
interchangeable
97-3102A10SL3P115Interchangeable
interchangeable cross-reference
interchangeable
16048Interchangeable
interchangeable cross-reference
interchangeable
28459Interchangeable
interchangeable cross-reference
interchangeable
02261-0158-46Interchangeable
interchangeable cross-reference
interchangeable
16071Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 258511BN?
258511BN is a SEAL,PLAIN ENCASED.
What parts can replace 258511BN?
There are 15 known substitutes for 258511BN: 161919, 97-3102A10SL3P115, 16048 and 12 more. Substitute compatibility should be verified for your specific system.
Is 258511BN still available?
258511BN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026