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90-019-372 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

90-019-372: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: 4320-01-533-6418;600 GPM PUMP ASSEMBLY,WATER, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-559-7990, 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
90-019-372
NSN: 5331-01-559-7990
FSC: 5331 — O-ring
CAGE: 457G7 — GOPHER INDUSTRIAL INC (USA)
SPECIFICATIONS
end_item_identification4320-01-533-6418;600 GPM PUMP ASSEMBLY,WATER
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-559-7990
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 90-019-372 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATION4320-01-533-6418;600 GPM PUMP ASSEMBLY,WATER
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90-019-372?
90-019-372 is a O-RING.
What is the NSN for 90-019-372?
90-019-372 is cataloged in the U.S. Government catalog under NSN 5331-01-559-7990. This indicates validated use in U.S. government and defense supply chains.
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