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398-330-71 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

398-330-71: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE, temp_rating: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.492 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN, center_hole_diameter: 2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-271-9367, 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
398-330-71
NSN: 5331-01-271-9367
FSC: 5331 — O-ring
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE
temp_rating-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter2.492 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN
center_hole_diameter2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-01-271-9367
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 398-330-71 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: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.492 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.492 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE
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 1
NB398-330-71Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 398-330-71?
398-330-71 is a O-RING.
What parts can replace 398-330-71?
There is 1 known substitute for 398-330-71: NB398-330-71. Substitute compatibility should be verified for your specific system.
What is the NSN for 398-330-71?
398-330-71 is cataloged in the U.S. Government catalog under NSN 5331-01-271-9367. This indicates validated use in U.S. government and defense supply chains.
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