PartsTable
Technical Data Sheet
Download PDF

204127PC1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

204127PC1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 7.595 INCHES MINIMUM AND 7.655 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-285-3581, 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
204127PC1
NSN: 5330-00-285-3581
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating60.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter7.595 INCHES MINIMUM AND 7.655 INCHES MAXIMUM IN
bolt_hole_quantity12
bolt_circle_diameter8.490 INCHES MINIMUM AND 8.510 INCHES MAXIMUM IN
fsc_application_dataCASE MK 6,UNDERWATER MINES
cross-sectional_thickness0.250 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-6855,CL 2,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-285-3581
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 204127PC1 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: CASE MK 6,UNDERWATER MINES
•
CROSS-SECTIONAL THICKNESS: 0.250 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855,CL 2,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 7.595 INCHES MINIMUM AND 7.655 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATACASE MK 6,UNDERWATER MINES
CROSS-SECTIONAL THICKNESS0.250 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855,CL 2,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
APERTURE DIAMETER7.595 INCHES MINIMUM AND 7.655 INCHES MAXIMUM IN
BOLT HOLE QUANTITY12
BOLT CIRCLE DIAMETER8.490 INCHES MINIMUM AND 8.510 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
No demilitarization required
Ready to buy 204127PC1?
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 204127PC1?
204127PC1 is a GASKET.
What is the NSN for 204127PC1?
204127PC1 is cataloged in the U.S. Government catalog under NSN 5330-00-285-3581. 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 — 204127PC1

✓ 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.