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220A287 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

220A287: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT, seal_width: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, construction: SOLID, fsc_application_data: BRAKE,MULTIPLE DISK, housing_bore_diameter: 3.063 INCHES MINIMUM AND 3.068 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-936-0624, 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
220A287
NSN: 5330-00-936-0624
FSC: 5330 — Packing and Gasket Materials
CAGE: 23233 — JAY-EM AEROSPACE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
seal_width0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
constructionSOLID
fsc_application_dataBRAKE,MULTIPLE DISK
housing_bore_diameter3.063 INCHES MINIMUM AND 3.068 INCHES MAXIMUM IN
accommodated_shaft_diameter2.120 INCHES MINIMUM AND 2.134 INCHES MAXIMUM IN
cross-sectional_shape_styleSINGLE LIP
material_document_and_classificationMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
NSN5330-00-936-0624
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 220A287 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
•
FSC APPLICATION DATA: BRAKE,MULTIPLE DISK
•
TEMP RATING: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 3.063 INCHES MINIMUM AND 3.068 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 2.120 INCHES MINIMUM AND 2.134 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATABRAKE,MULTIPLE DISK
TEMP RATING-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
SEAL WIDTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
HOUSING BORE DIAMETER3.063 INCHES MINIMUM AND 3.068 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER2.120 INCHES MINIMUM AND 2.134 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
CONSTRUCTIONSOLID
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 220A287?
220A287 is a SEAL,PLAIN.
What is the NSN for 220A287?
220A287 is cataloged in the U.S. Government catalog under NSN 5330-00-936-0624. 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.