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55395 — O-RING

✓ Government record, cited
Tactic · ORING SEAL
PRODUCT OVERVIEW

55395: O-RING.

The O-RING is a Tactic industrial component. Key specifications include material: RUBBER SYNTHETIC. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-439-5307, 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
55395
NSN: 5331-01-439-5307
FSC: 5331 — O-ring
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
NSN5331-01-439-5307
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55395 MFR: Tactic ⚠ 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
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
MATERIALRUBBER SYNTHETIC
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 2
1/2IN ME-2 O-RI NG 33395Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1/2IN ME-2 O-RING 55395Reference 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 55395?
55395 is a O-RING manufactured by Tactic.
What parts can replace 55395?
There are 2 known substitutes for 55395: 1/2IN ME-2 O-RI NG 33395, 1/2IN ME-2 O-RING 55395. Substitute compatibility should be verified for your specific system.
What is the NSN for 55395?
55395 is cataloged in the U.S. Government catalog under NSN 5331-01-439-5307. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.