PartsTable
Technical Data Sheet

B05-L/030 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B05-L/030: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-320-9556, 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
B05-L/030
NSN: 5331-01-320-9556
FSC: 5331 — O-ring
CAGE: U6420 — BETA MARINE LTD (GBR)
SPECIFICATIONS
Part NumberB05-L/030
NSN5331-01-320-9556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B05-L/030 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 3
B05-L REFERENCE 030Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
04811-40140Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
20-0055/8Same 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 B05-L/030?
B05-L/030 is a O-RING.
What parts can replace B05-L/030?
There are 3 known substitutes for B05-L/030: B05-L REFERENCE 030, 04811-40140, 20-0055/8. Substitute compatibility should be verified for your specific system.
What is the NSN for B05-L/030?
B05-L/030 is cataloged in the U.S. Government catalog under NSN 5331-01-320-9556. This indicates validated use in U.S. government and defense supply chains.
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