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Technical Data Sheet
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N03556 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N03556: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-460-5432, 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
N03556
NSN: 5331-01-460-5432
FSC: 5331 — O-ring
CAGE: 57328 — BAUER COMPRESSORS, INC. (USA)
SPECIFICATIONS
Part NumberN03556
NSN5331-01-460-5432
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N03556 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 1
N3556Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N03556?
N03556 is a O-RING.
What parts can replace N03556?
There is 1 known substitute for N03556: N3556. Substitute compatibility should be verified for your specific system.
What is the NSN for N03556?
N03556 is cataloged in the U.S. Government catalog under NSN 5331-01-460-5432. This indicates validated use in U.S. government and defense supply chains.
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