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4212-446A — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4212-446A: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL, hardness_rating: 65.0 ROCKWELL C MINIMUM AND 75.0 ROCKWELL C MAXIMUM OVERALL, peripheral_diameter: 0.875 INCHES NOMINAL IN, center_hole_diameter: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-246-5092, 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
4212-446A
NSN: 5330-01-246-5092
FSC: 5330 — Packing and Gasket Materials
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
hardness_rating65.0 ROCKWELL C MINIMUM AND 75.0 ROCKWELL C MAXIMUM OVERALL
peripheral_diameter0.875 INCHES NOMINAL IN
center_hole_diameter0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
material_document_and_classification07322-446A MFR REF SINGLE MATERIAL RESPONSE OVERALL A
NSN5330-01-246-5092
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4212-446A 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
•
HARDNESS RATING: 65.0 ROCKWELL C MINIMUM AND 75.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 07322-446A MFR REF SINGLE MATERIAL RESPONSE OVERALL A
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 0.875 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING65.0 ROCKWELL C MINIMUM AND 75.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION07322-446A MFR REF SINGLE MATERIAL RESPONSE OVERALL A
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER0.875 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
MATERIALRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR 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
QR17-446AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4212-446A?
4212-446A is a PACKING,PREFORMED.
What parts can replace 4212-446A?
There is 1 known substitute for 4212-446A: QR17-446A. Substitute compatibility should be verified for your specific system.
What is the NSN for 4212-446A?
4212-446A is cataloged in the U.S. Government catalog under NSN 5330-01-246-5092. This indicates validated use in U.S. government and defense supply chains.
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