PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 57521
57521 ✓ 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 end_item_identification: TRUCK FORKLIFT,4000 LB.ELECTRIC,MODEL FL-40-EE600M LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-8487, 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
57521
NSN: 5330-00-154-8487
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
end_item_identificationTRUCK FORKLIFT,4000 LB.ELECTRIC,MODEL FL-40-EE600M LBS
NSN5330-00-154-8487
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57521 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
84798Interchangeable
interchangeable cross-reference
interchangeable
11074Interchangeable
interchangeable cross-reference
interchangeable
UP4Interchangeable
interchangeable cross-reference
interchangeable
52W1172-8Interchangeable
interchangeable cross-reference
interchangeable
N200Interchangeable
interchangeable cross-reference
interchangeable
704-1557Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 57521?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 57521?
57521 is a SEAL,PLAIN ENCASED.
What parts can replace 57521?
There are 22 known substitutes for 57521: 84798, 11074, UP4 and 19 more. Substitute compatibility should be verified for your specific system.
Is 57521 still available?
57521 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 57521

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026