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25K40204 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

25K40204: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-345-5189, 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
25K40204
NSN: 5331-00-345-5189
FSC: 5331 — O-ring
CAGE: 89881 — CLARK EQUIPMENT CO TRANSMISSION DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-345-5189
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25K40204 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 4
154081Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
315248Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
232232Reference document
Same NSN cross-reference
Reference document — Secondary reference
XD1GX3471BReference 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 25K40204?
25K40204 is a O-RING.
What parts can replace 25K40204?
There are 4 known substitutes for 25K40204: 154081, 315248, 232232 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25K40204?
25K40204 is cataloged in the U.S. Government catalog under NSN 5331-00-345-5189. This indicates validated use in U.S. government and defense supply chains.
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