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12266940-1 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12266940-1: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, special_features: WEAPON SYSTEM ESSENTIAL, center_hole_diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: M901, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-072-1665, 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
12266940-1
NSN: 5331-01-072-1665
FSC: 5331 — O-ring
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
special_featuresWEAPON SYSTEM ESSENTIAL
center_hole_diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identificationM901
criticality_code_justificationFEAT
NSN5331-01-072-1665
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12266940-1 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: 0.070 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
COLOR: NATURAL
•
CENTER HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
COLORNATURAL
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CENTER HOLE DIAMETER0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONM901
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 7
2231510Reference document
Same NSN cross-reference
Reference document — Secondary reference
048140-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
E0798 2-012Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MILR1149-012ESReference document
Same NSN cross-reference
Reference document — Secondary reference
2-012Reference document
Same NSN cross-reference
Reference document — Secondary reference
1N141200012Same 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 12266940-1?
12266940-1 is a O-RING.
What parts can replace 12266940-1?
There are 7 known substitutes for 12266940-1: 2231510, 048140-1, E0798 2-012 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12266940-1?
12266940-1 is cataloged in the U.S. Government catalog under NSN 5331-01-072-1665. This indicates validated use in U.S. government and defense supply chains.
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