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443330 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

443330: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include usage_design: TEST HUMAN FLUIDS; 28 DIFFERENT TESTS, physical_form: LIQUID, special_features: HAZARDOUS MATERIAL, primary_container_type: BOTTLE, GLASS, primary_container_content_quantity: 2000.000 MILLILITERS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-870-4530, 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
443330
NSN: 5330-00-870-4530
NIINs: 008704530, 013688173
FSC: 5330 — Packing and Gasket Materials
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
usage_designTEST HUMAN FLUIDS; 28 DIFFERENT TESTS
physical_formLIQUID
special_featuresHAZARDOUS MATERIAL
primary_container_typeBOTTLE, GLASS
primary_container_content_quantity2000.000 MILLILITERS
NSN5330-00-870-4530
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 443330 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: 0.415 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 0.925 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.622 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.415 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER0.925 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.622 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
443330WESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
453921Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 443330?
443330 is a PACKING,PREFORMED.
What parts can replace 443330?
There are 2 known substitutes for 443330: 443330WE, 453921. Substitute compatibility should be verified for your specific system.
What is the NSN for 443330?
443330 is cataloged in the U.S. Government catalog under NSN 5330-00-870-4530. 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.