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270658R2 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

270658R2: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 1.984 INCHES NOMINAL IN, cross-sectional_thickness: 0.015 INCHES NOMINAL IN, largest_bolt_hole_diameter: 0.188 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION, smallest_bolt_hole_diameter: 0.125 INCHES NOMINAL IN, material_document_and_classification: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-511-8998, 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
270658R2
NSN: 5330-00-511-8998
FSC: 5330 — Packing and Gasket Materials
CAGE: 45RP7 — DRESSTA NORTH AMERICA LTD (USA)
SPECIFICATIONS
outside_diameter1.984 INCHES NOMINAL IN
cross-sectional_thickness0.015 INCHES NOMINAL IN
largest_bolt_hole_diameter0.188 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
smallest_bolt_hole_diameter0.125 INCHES NOMINAL IN
material_document_and_classificationMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-511-8998
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 270658R2 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: 0.015 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SMALLEST BOLT HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.984 INCHES NOMINAL IN
•
LARGEST BOLT HOLE DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.015 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SMALLEST BOLT HOLE DIAMETER0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.984 INCHES NOMINAL IN
LARGEST BOLT HOLE DIAMETER0.188 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 1
270658R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 270658R2?
270658R2 is a GASKET.
What parts can replace 270658R2?
There is 1 known substitute for 270658R2: 270658R1. Substitute compatibility should be verified for your specific system.
What is the NSN for 270658R2?
270658R2 is cataloged in the U.S. Government catalog under NSN 5330-00-511-8998. This indicates validated use in U.S. government and defense supply chains.
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