PartsTable
Technical Data Sheet
Download PDF

SMC285020P1 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SMC285020P1: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, minor_width: 0.220 INCHES MINIMUM AND 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN, construction: SOLIDSOLID, aperture_width: 7.980 INCHES MINIMUM AND 7.980 INCHES MINIMUM AND 8.105 INCHES MAXIMUM8.105 INCHES MAXIMUM IN, aperture_length: 8.300 INCHES MINIMUM AND 8.300 INCHES MINIMUM AND 8.425 INCHES MAXIMUM8.425 INCHES MAXIMUM IN, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-679-4594, 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
SMC285020P1
NSN: 5330-00-679-4594
FSC: 5330 — Packing and Gasket Materials
CAGE: 24454 — GENERAL ELECTRIC CO ELECTRONIC COMPONENTS DIVISION OF ELECTRONIC ATOMIC AND DEFENSE SYSTEMS GROUP
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
minor_width0.220 INCHES MINIMUM AND 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
constructionSOLIDSOLID
aperture_width7.980 INCHES MINIMUM AND 7.980 INCHES MINIMUM AND 8.105 INCHES MAXIMUM8.105 INCHES MAXIMUM IN
aperture_length8.300 INCHES MINIMUM AND 8.300 INCHES MINIMUM AND 8.425 INCHES MAXIMUM8.425 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
fabrication_methodSOLIDSOLID
cross-sectional_width0.320 INCHES MINIMUM AND 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM0.360 INCHES MAXIMUM IN
cross-sectional_height0.538 INCHES MINIMUM AND 0.538 INCHES MINIMUM AND 0.578 INCHES MAXIMUM0.578 INCHES MAXIMUM IN
cross-sectional_thickness0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.208 INCHES MAXIMUM0.208 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIALSPECIAL
material_document_and_classificationASTM D2000 2BC305 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-679-4594
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SMC285020P1 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: 0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.208 INCHES MAXIMUM0.208 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.538 INCHES MINIMUM AND 0.538 INCHES MINIMUM AND 0.578 INCHES MAXIMUM0.578 INCHES MAXIMUM IN
•
CROSS-SECTIONAL WIDTH: 0.320 INCHES MINIMUM AND 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM0.360 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BC305 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIALSPECIAL
•
APERTURE WIDTH: 7.980 INCHES MINIMUM AND 7.980 INCHES MINIMUM AND 8.105 INCHES MAXIMUM8.105 INCHES MAXIMUM IN
•
MINOR WIDTH: 0.220 INCHES MINIMUM AND 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.208 INCHES MAXIMUM0.208 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.538 INCHES MINIMUM AND 0.538 INCHES MINIMUM AND 0.578 INCHES MAXIMUM0.578 INCHES MAXIMUM IN
CROSS-SECTIONAL WIDTH0.320 INCHES MINIMUM AND 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM0.360 INCHES MAXIMUM IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BC305 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIALSPECIAL
APERTURE WIDTH7.980 INCHES MINIMUM AND 7.980 INCHES MINIMUM AND 8.105 INCHES MAXIMUM8.105 INCHES MAXIMUM IN
MINOR WIDTH0.220 INCHES MINIMUM AND 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
APERTURE LENGTH8.300 INCHES MINIMUM AND 8.300 INCHES MINIMUM AND 8.425 INCHES MAXIMUM8.425 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR 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: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy SMC285020P1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SMC285020P1?
SMC285020P1 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for SMC285020P1?
SMC285020P1 is cataloged in the U.S. Government catalog under NSN 5330-00-679-4594. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SMC285020P1

✓ 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.