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Technical Data Sheet
N304-75-152 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.443 INCHES NOMINAL IN, center_hole_diameter: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN, cross-sectional_height: 0.093 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-956-9216, 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
N304-75-152
NSN: 5331-00-956-9216
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter3.443 INCHES NOMINAL IN
center_hole_diameter3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
cross-sectional_height0.093 INCHES NOMINAL IN
NSN5331-00-956-9216
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N304-75-152 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: 0.093 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
TEMP RATING: -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER: 3.443 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.093 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER3.443 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MS28775-152Interchangeable
interchangeable cross-reference
interchangeable
AS568-152 AMS-P-5516 CLASS AInterchangeable
interchangeable cross-reference
interchangeable
AMS-P-5516 CL AInterchangeable
interchangeable cross-reference
interchangeable
SAE-AS28775Interchangeable
interchangeable cross-reference
interchangeable
4067-70-152Interchangeable
Same NIIN cross-reference
interchangeable
1446-152Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N304-75-152?
N304-75-152 is a O-RING.
What parts can replace N304-75-152?
There are 11 known substitutes for N304-75-152: MS28775-152, AS568-152 AMS-P-5516 CLASS A, AMS-P-5516 CL A and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N304-75-152?
N304-75-152 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-956-9216. This indicates validated use in U.S. government and defense supply chains.
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