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227-2012 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

227-2012: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: DAMON SL ARCH WIRE SEALING INSTRUMENT. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-584-0265, 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
227-2012
NSN: 5331-00-584-0265
NIINs: 005840265, 014656916
FSC: 5331 — O-ring
CAGE: 91265 — PARKER-HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
special_featuresDAMON SL ARCH WIRE SEALING INSTRUMENT
NSN5331-00-584-0265
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 227-2012 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 10
961122Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
130-870337-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN7SR832-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS 28775-012Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-012 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
OR9,25X1,78-NBR75/COMP7377Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 227-2012?
227-2012 is a O-RING.
What parts can replace 227-2012?
There are 10 known substitutes for 227-2012: 961122, 130-870337-1, AN7SR832-75 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 227-2012?
227-2012 is cataloged in the U.S. Government catalog under NSN 5331-00-584-0265. 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.