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12553854 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12553854: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL, hole_diameter: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 9.670 INCHES MINIMUM AND 9.730 INCHES MAXIMUM IN, aperture_width: 8.170 INCHES MINIMUM AND 8.230 INCHES MAXIMUM IN, overall_length: 12.970 INCHES MINIMUM AND 13.030 INCHES MAXIMUM IN, aperture_length: 10.470 INCHES MINIMUM AND 10.530 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-355-3685, 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
12553854
NSN: 5330-01-355-3685
FSC: 5330 — Packing and Gasket Materials
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL
hole_diameter0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width9.670 INCHES MINIMUM AND 9.730 INCHES MAXIMUM IN
aperture_width8.170 INCHES MINIMUM AND 8.230 INCHES MAXIMUM IN
overall_length12.970 INCHES MINIMUM AND 13.030 INCHES MAXIMUM IN
aperture_length10.470 INCHES MINIMUM AND 10.530 INCHES MAXIMUM IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
special_featuresBOLT HOLES UNEQUALLY SPACED
style_designatorNON-CIRCULAR
bolt_hole_quantity14
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-355-3685
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12553854 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 THICKNESS: 0.125 INCHES NOMINAL IN
•
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH: 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH12.970 INCHES MINIMUM AND 13.030 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH9.670 INCHES MINIMUM AND 9.730 INCHES MAXIMUM IN
APERTURE WIDTH8.170 INCHES MINIMUM AND 8.230 INCHES MAXIMUM IN
APERTURE LENGTH10.470 INCHES MINIMUM AND 10.530 INCHES MAXIMUM IN
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 12553854?
12553854 is a GASKET.
What is the NSN for 12553854?
12553854 is cataloged in the U.S. Government catalog under NSN 5330-01-355-3685. 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.