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12256552 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12256552: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER SYNTHETIC OVERALL, construction: ONE-PIECEONE-PIECE, aperture_width: 1.880 INCHES NOMINAL1.880 INCHES NOMINAL IN, aperture_length: 8.060 INCHES NOMINAL8.060 INCHES NOMINAL IN, style_designator: OVAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-089-2992, 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
12256552
NSN: 5330-01-089-2992
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
constructionONE-PIECEONE-PIECE
aperture_width1.880 INCHES NOMINAL1.880 INCHES NOMINAL IN
aperture_length8.060 INCHES NOMINAL8.060 INCHES NOMINAL IN
style_designatorOVAL
NSN5330-01-089-2992
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12256552 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
•
STYLE DESIGNATOR: OVAL
•
APERTURE WIDTH: 1.880 INCHES NOMINAL1.880 INCHES NOMINAL IN
•
APERTURE LENGTH: 8.060 INCHES NOMINAL8.060 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CONSTRUCTION: ONE-PIECEONE-PIECE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATOROVAL
APERTURE WIDTH1.880 INCHES NOMINAL1.880 INCHES NOMINAL IN
APERTURE LENGTH8.060 INCHES NOMINAL8.060 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
CONSTRUCTIONONE-PIECEONE-PIECE
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
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12256552?
12256552 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 12256552?
12256552 is cataloged in the U.S. Government catalog under NSN 5330-01-089-2992. 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.