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12267818-2 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12267818-2: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include angle: 30.0 DEGREES NOMINAL, material: RUBBER SYNTHETIC OVERALL, peripheral_diameter: 12.040 INCHES NOMINAL IN, center_hole_diameter: 11.750 INCHES NOMINAL IN, end_item_identification: TANK,COMBAT FULL TRK; MODEL NO. M1; NSN 2350-01-061-2445, cross-sectional_shape_style: ANGLE.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-086-3229, 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
12267818-2
NSN: 5330-01-086-3229
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
angle30.0 DEGREES NOMINAL
materialRUBBER SYNTHETIC OVERALL
peripheral_diameter12.040 INCHES NOMINAL IN
center_hole_diameter11.750 INCHES NOMINAL IN
end_item_identificationTANK,COMBAT FULL TRK; MODEL NO. M1; NSN 2350-01-061-2445
cross-sectional_shape_styleANGLE
NSN5330-01-086-3229
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12267818-2 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 SHAPE STYLE: ANGLE
•
ANGLE: 30.0 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 12.040 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 11.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEANGLE
ANGLE30.0 DEGREES NOMINAL
PERIPHERAL DIAMETER12.040 INCHES NOMINAL IN
CENTER HOLE DIAMETER11.750 INCHES NOMINAL IN
END ITEM IDENTIFICATIONTANK,COMBAT FULL TRK; MODEL NO. M1; NSN 2350-01-061-2445
MATERIALRUBBER SYNTHETIC OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12267818-2?
12267818-2 is a PACKING,PREFORMED.
What is the NSN for 12267818-2?
12267818-2 is cataloged in the U.S. Government catalog under NSN 5330-01-086-3229. 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.