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Technical Data Sheet
1200-118-18 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 0.856 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-304-8908, 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
1200-118-18
NSN: 5331-00-304-8908
FSC: 5331 — O-RING
CAGE: 97399 — DRAGON VALVES INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter0.856 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-304-8908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1200-118-18 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 0.856 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.856 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
25715Interchangeable
interchangeable cross-reference
interchangeable
H3-079-05-0001Interchangeable
interchangeable cross-reference
interchangeable
25715AInterchangeable
interchangeable cross-reference
interchangeable
136740-1-1Interchangeable
interchangeable cross-reference
interchangeable
1036-2Interchangeable
interchangeable cross-reference
interchangeable
1820-0099Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1200-118-18?
1200-118-18 is a O-RING.
What parts can replace 1200-118-18?
There are 21 known substitutes for 1200-118-18: 25715, H3-079-05-0001, 25715A and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1200-118-18?
1200-118-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-304-8908. This indicates validated use in U.S. government and defense supply chains.
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