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OR-220-TG — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

OR-220-TG: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYSTYRENE, outside_diameter: 0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: SEALING RING FOR MULTI-PIECE RIMS. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-610-8791, 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
OR-220-TG
NSN: 5331-01-610-8791
FSC: 5331 — O-ring
CAGE: 63900 — HALTEC CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYSTYRENE
outside_diameter0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencySEALING RING FOR MULTI-PIECE RIMS
NSN5331-01-610-8791
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OR-220-TG 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
•
OUTSIDE DIAMETER: 0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
•
COLOR: BLACK
•
MATERIAL: PLASTIC POLYSTYRENE
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
COLORBLACK
PART NAME ASSIGNED BY CONTROLLING AGENCYSEALING RING FOR MULTI-PIECE RIMS
MATERIALPLASTIC POLYSTYRENE
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
7421231681Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21231681Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is OR-220-TG?
OR-220-TG is a O-RING.
What parts can replace OR-220-TG?
There are 2 known substitutes for OR-220-TG: 7421231681, 21231681. Substitute compatibility should be verified for your specific system.
What is the NSN for OR-220-TG?
OR-220-TG is cataloged in the U.S. Government catalog under NSN 5331-01-610-8791. 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.