PartsTable
Technical Data Sheet
Download PDF

185N570-1 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

185N570-1: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, center_hole_diameter: 7.990 INCHES MINIMUM AND 8.010 INCHES MAXIMUM IN, cross-sectional_height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-250-3859, 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
185N570-1
NSN: 5331-00-250-3859
FSC: 5331 — O-ring
CAGE: 73842 — GOODYEAR TIRE AND RUBBER CO THE (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
center_hole_diameter7.990 INCHES MINIMUM AND 8.010 INCHES MAXIMUM IN
cross-sectional_height0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
NSN5331-00-250-3859
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 185N570-1 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 7.990 INCHES MINIMUM AND 8.010 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
CENTER HOLE DIAMETER7.990 INCHES MINIMUM AND 8.010 INCHES MAXIMUM IN
MATERIALRUBBER
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 185N570-1?
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 185N570-1?
185N570-1 is a O-RING.
What is the NSN for 185N570-1?
185N570-1 is cataloged in the U.S. Government catalog under NSN 5331-00-250-3859. 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 — 185N570-1

✓ 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.