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379643 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

379643: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, cross-sectional_height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, cross-sectional_shape_style: O-RING, material_document_and_classification: AMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-020-0203, 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
379643
NSN: 5331-00-020-0203
NIINs: 000200203, 005994986, 008821680
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
material_document_and_classificationAMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5331-00-020-0203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 379643 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
SUBSTITUTES & CROSS-REFERENCES 9
5331PL2007478Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83248-1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
992E545-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8712 FIND 21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M93248/1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3-904 V747-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 379643?
379643 is a O-RING.
What parts can replace 379643?
There are 9 known substitutes for 379643: 5331PL2007478, M83248-1-904, 992E545-10 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 379643?
379643 is cataloged in the U.S. Government catalog under NSN 5331-00-020-0203. This indicates validated use in U.S. government and defense supply chains.
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