PartsTable
Technical Data Sheet
Download PDF

FS52527U — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

FS52527U: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-831-2438, 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
FS52527U
NSN: 5331-00-831-2438
FSC: 5331 — O-ring
CAGE: 43952 — ENERGY SERVICES GROUP DIV OF COOPER INDUSTRIES INC (USA)
SPECIFICATIONS
Part NumberFS52527U
NSN5331-00-831-2438
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FS52527U 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
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 3
35704663Reference document
Same NSN cross-reference
Reference document — Secondary reference
37704663Reference document
Same NSN cross-reference
Reference document — Secondary reference
35704665Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy FS52527U?
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 FS52527U?
FS52527U is a O-RING.
What parts can replace FS52527U?
There are 3 known substitutes for FS52527U: 35704663, 37704663, 35704665. Substitute compatibility should be verified for your specific system.
What is the NSN for FS52527U?
FS52527U is cataloged in the U.S. Government catalog under NSN 5331-00-831-2438. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — FS52527U