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Y325-125 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

Y325-125: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, center_hole_diameter: 1.500 INCHES NOMINAL IN, cross-sectional_height: 0.093 INCHES NOMINAL IN, end_item_identification: AIR MOTOR DIAPHRAGM PUMP, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-577-5300, 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
Y325-125
NSN: 5331-01-577-5300
FSC: 5331 — O-ring
CAGE: 03990 — INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND (USA)
SPECIFICATIONS
materialRUBBER
center_hole_diameter1.500 INCHES NOMINAL IN
cross-sectional_height0.093 INCHES NOMINAL IN
end_item_identificationAIR MOTOR DIAPHRAGM PUMP
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-577-5300
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Y325-125 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: 0.093 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.093 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONAIR MOTOR DIAPHRAGM PUMP
MATERIALRUBBER
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is Y325-125?
Y325-125 is a O-RING.
What is the NSN for Y325-125?
Y325-125 is cataloged in the U.S. Government catalog under NSN 5331-01-577-5300. 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.