PartsTable
Technical Data Sheet
Download PDF

N04785 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N04785: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 78.90 MILLIMETERS NOMINAL MM, cross-sectional_height: 3.53 MILLIMETERS NOMINAL MM, material_document_and_classification: FKM VITON MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-503-8237, 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
N04785
NSN: 5331-01-503-8237
FSC: 5331 — O-ring
CAGE: 57328 — BAUER COMPRESSORS, INC. (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
hardness_rating75.0 SHORE DUROMETER A NOMINAL
center_hole_diameter78.90 MILLIMETERS NOMINAL MM
cross-sectional_height3.53 MILLIMETERS NOMINAL MM
material_document_and_classificationFKM VITON MFR REF SINGLE MATERIAL RESPONSE
NSN5331-01-503-8237
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N04785 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
•
CROSS-SECTIONAL HEIGHT: 3.53 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FKM VITON MFR REF SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 78.90 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT3.53 MILLIMETERS NOMINAL MM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONFKM VITON MFR REF SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER78.90 MILLIMETERS NOMINAL MM
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
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 N04785?
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 N04785?
N04785 is a O-RING.
What is the NSN for N04785?
N04785 is cataloged in the U.S. Government catalog under NSN 5331-01-503-8237. 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 — N04785