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390074-00 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

390074-00: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, peripheral_diameter: 3.520 INCHES NOMINAL IN, center_hole_diameter: 3.310 INCHES NOMINAL IN, cross-sectional_height: 0.310 INCHES NOMINAL IN, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-067-7053, 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
390074-00
NSN: 5330-01-067-7053
NIINs: 010677053, 011251241
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
peripheral_diameter3.520 INCHES NOMINAL IN
center_hole_diameter3.310 INCHES NOMINAL IN
cross-sectional_height0.310 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
NSN5330-01-067-7053
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 390074-00 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: 0.312 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-1149,TYPE 1,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL DIAMETER: 5.500 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 5.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-1149,TYPE 1,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER5.500 INCHES NOMINAL IN
CENTER HOLE DIAMETER5.125 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
SK197905IT73DReference document
Same NSN cross-reference
Reference document — Secondary reference
RW165236-73DReference document
Same NSN cross-reference
Reference document — Design control — primary reference
390076-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 390074-00?
390074-00 is a PACKING,PREFORMED.
What parts can replace 390074-00?
There are 3 known substitutes for 390074-00: SK197905IT73D, RW165236-73D, 390076-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 390074-00?
390074-00 is cataloged in the U.S. Government catalog under NSN 5330-01-067-7053. 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.