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2-237 N552-90 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-237 N552-90: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN, center_hole_diameter: 3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-153-1239, 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
2-237 N552-90
NSN: 5331-01-153-1239
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN
center_hole_diameter3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationDEEP SUBMERGENCE SYSTEMS
NSN5331-01-153-1239
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-237 N552-90 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: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
CENTER HOLE DIAMETER: 3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE160 MAXIMUM
CENTER HOLE DIAMETER3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONDEEP SUBMERGENCE SYSTEMS
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 2
N0552 2-237Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS568B-237Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-237 N552-90?
2-237 N552-90 is a O-RING.
What parts can replace 2-237 N552-90?
There are 2 known substitutes for 2-237 N552-90: N0552 2-237, AS568B-237. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-237 N552-90?
2-237 N552-90 is cataloged in the U.S. Government catalog under NSN 5331-01-153-1239. This indicates validated use in U.S. government and defense supply chains.
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