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ES125 — RING,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ES125: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, ring_style: SPIRAL, inside_diameter: 120.4 MILLIMETERS NOMINAL MM, outside_diameter: 126.6 MILLIMETERS MINIMUM AND 126.8 MILLIMETERS MAXIMUM MM, special_features: THK 1.8 MM; GROOVE DIA 121.4MM; GROOVE DEPTH 1.8 MM; GROOVE WIDTH 2.0MM MM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-249-5645, 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
ES125
NSN: 5331-01-249-5645
NIINs: 012495645, 014765693
FSC: 5331 — O-ring
CAGE: 06550 — INGERSOLL-RAND CO MATERIAL HANDLING DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleSPIRAL
inside_diameter120.4 MILLIMETERS NOMINAL MM
outside_diameter126.6 MILLIMETERS MINIMUM AND 126.8 MILLIMETERS MAXIMUM MM
special_featuresTHK 1.8 MM; GROOVE DIA 121.4MM; GROOVE DEPTH 1.8 MM; GROOVE WIDTH 2.0MM MM
NSN5331-01-249-5645
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ES125 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ES125?
ES125 is a RING,RETAINING.
What is the NSN for ES125?
ES125 is cataloged in the U.S. Government catalog under NSN 5331-01-249-5645. This indicates validated use in U.S. government and defense supply chains.
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