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N0304 2-388 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N0304 2-388: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL OVERALL, peripheral_diameter: 19.275 INCHES MINIMUM AND 19.475 INCHES MAXIMUM IN, center_hole_diameter: 18.906 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN, elongation_percentage: 164 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-248-9429, 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
N0304 2-388
NSN: 5330-01-248-9429
FSC: 5330 — Packing and Gasket Materials
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL OVERALL
peripheral_diameter19.275 INCHES MINIMUM AND 19.475 INCHES MAXIMUM IN
center_hole_diameter18.906 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN
elongation_percentage164 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
functional_descriptionIN PROXIMITY WITH OIL,ENGINE
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5330-01-248-9429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N0304 2-388 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 225.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
ELONGATION PERCENTAGE: 164 MAXIMUM
•
PERIPHERAL DIAMETER: 19.275 INCHES MINIMUM AND 19.475 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 18.906 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN
•
FUNCTIONAL DESCRIPTION: IN PROXIMITY WITH OIL,ENGINE
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
ELONGATION PERCENTAGE164 MAXIMUM
PERIPHERAL DIAMETER19.275 INCHES MINIMUM AND 19.475 INCHES MAXIMUM IN
CENTER HOLE DIAMETER18.906 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN
FUNCTIONAL DESCRIPTIONIN PROXIMITY WITH OIL,ENGINE
CROSS SECTION OUTSIDE DIAMETER0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
2-388-N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N0304 2-388?
N0304 2-388 is a PACKING,PREFORMED.
What parts can replace N0304 2-388?
There is 1 known substitute for N0304 2-388: 2-388-N304-75. Substitute compatibility should be verified for your specific system.
What is the NSN for N0304 2-388?
N0304 2-388 is cataloged in the U.S. Government catalog under NSN 5330-01-248-9429. This indicates validated use in U.S. government and defense supply chains.
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