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N0552 2-021 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N0552 2-021: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-522-5671, 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
N0552 2-021
NSN: 5331-01-522-5671
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
Part NumberN0552 2-021
NSN5331-01-522-5671
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N0552 2-021 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
SUBSTITUTES & CROSS-REFERENCES 4
232383Reference document
Same NSN cross-reference
Reference document — Secondary reference
4064989Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
49358 REV D BUBB# 15Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-021N552-90Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N0552 2-021?
N0552 2-021 is a O-RING.
What parts can replace N0552 2-021?
There are 4 known substitutes for N0552 2-021: 232383, 4064989, 49358 REV D BUBB# 15 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N0552 2-021?
N0552 2-021 is cataloged in the U.S. Government catalog under NSN 5331-01-522-5671. This indicates validated use in U.S. government and defense supply chains.
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