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4222-445A — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4222-445A: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, center_hole_diameter: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, cross-sectional_shape_style: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-241-7217, 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
4222-445A
NSN: 5330-01-241-7217
FSC: 5330 — Packing and Gasket Materials
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
center_hole_diameter1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
NSN5330-01-241-7217
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4222-445A 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEO-RING
COLORBLACK
CENTER HOLE DIAMETER1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
MB23-08Same 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 4222-445A?
4222-445A is a PACKING,PREFORMED.
What parts can replace 4222-445A?
There is 1 known substitute for 4222-445A: MB23-08. Substitute compatibility should be verified for your specific system.
What is the NSN for 4222-445A?
4222-445A is cataloged in the U.S. Government catalog under NSN 5330-01-241-7217. 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.