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Technical Data Sheet
PartsTable / COMPONENT / Q-4333-445-A
Q-4333-445-A ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 2.875 INCHES NOMINAL IN, center_hole_diameter: 2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-501-9477, 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
Q-4333-445-A
NSN: 5330-00-501-9477
FSC: 5330
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter2.875 INCHES NOMINAL IN
center_hole_diameter2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
material_document_and_classification366Y,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-501-9477
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Q-4333-445-A 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 SHAPE STYLE: SPECIAL
•
TEMP RATING: -45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 2.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 366Y,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESPECIAL
TEMP RATING-45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
PERIPHERAL DIAMETER2.875 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION366Y,FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
BWH2-1R3JInterchangeable
interchangeable cross-reference
interchangeable
0813-0051Interchangeable
interchangeable cross-reference
interchangeable
CW2B1-2700JInterchangeable
interchangeable cross-reference
interchangeable
N432A-6Interchangeable
interchangeable cross-reference
interchangeable
4333Interchangeable
interchangeable cross-reference
interchangeable
2135487G1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q-4333-445-A?
Q-4333-445-A is a PACKING,PREFORMED.
What parts can replace Q-4333-445-A?
There are 18 known substitutes for Q-4333-445-A: BWH2-1R3J, 0813-0051, CW2B1-2700J and 15 more. Substitute compatibility should be verified for your specific system.
Is Q-4333-445-A still available?
Q-4333-445-A is currently cancelled.
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Last verified: July 2026