PartsTable
Technical Data Sheet
Download PDF

204265G1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

204265G1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.312 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.970 INCHES NOMINAL IN, aperture_width: 2.730 INCHES NOMINAL IN, overall_length: 8.560 INCHES MINIMUM AND 8.590 INCHES MAXIMUM IN, aperture_length: 7.350 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-049-8251, 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
204265G1
NSN: 5330-01-049-8251
FSC: 5330 — Packing and Gasket Materials
CAGE: 58474 — SUPERIOR ELECTRIC HOLDING GROUP LLC DIV SPECIALTY PRODUCT TECHNOLOGIES (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.312 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.970 INCHES NOMINAL IN
aperture_width2.730 INCHES NOMINAL IN
overall_length8.560 INCHES MINIMUM AND 8.590 INCHES MAXIMUM IN
aperture_length7.350 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity12
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMS3715G2 FSCM 58474 MFR REF SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.300 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length0.300 INCHES NOMINAL IN
NSN5330-01-049-8251
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 204265G1 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: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MS3715G2 FSCM 58474 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 2.730 INCHES NOMINAL IN
•
APERTURE LENGTH: 7.350 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 12
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMS3715G2 FSCM 58474 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH8.560 INCHES MINIMUM AND 8.590 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH3.970 INCHES NOMINAL IN
APERTURE WIDTH2.730 INCHES NOMINAL IN
APERTURE LENGTH7.350 INCHES NOMINAL IN
BOLT HOLE QUANTITY12
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.300 INCHES NOMINAL 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: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 204265G1?
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 204265G1?
204265G1 is a GASKET.
What is the NSN for 204265G1?
204265G1 is cataloged in the U.S. Government catalog under NSN 5330-01-049-8251. 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 — 204265G1

✓ 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.