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MC-012605 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MC-012605: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, center_hole_diameter: 0.644 INCHES NOMINAL IN, cross-sectional_height: 0.818 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-652-3567, 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
MC-012605
NSN: 5331-01-652-3567
FSC: 5331 — O-ring
CAGE: 27192 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialRUBBER
center_hole_diameter0.644 INCHES NOMINAL IN
cross-sectional_height0.818 INCHES NOMINAL IN
NSN5331-01-652-3567
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MC-012605 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: 0.818 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.644 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.818 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.644 INCHES NOMINAL IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 3
MC-001370 ITEM 12Reference document
Same NSN cross-reference
Reference document — Secondary reference
MC-001370Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
9557K443Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MC-012605?
MC-012605 is a O-RING.
What parts can replace MC-012605?
There are 3 known substitutes for MC-012605: MC-001370 ITEM 12, MC-001370, 9557K443. Substitute compatibility should be verified for your specific system.
What is the NSN for MC-012605?
MC-012605 is cataloged in the U.S. Government catalog under NSN 5331-01-652-3567. 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.