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8403489 — DISK,SOLID,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8403489: DISK,SOLID,PLAIN.

The DISK,SOLID,PLAIN is a the manufacturer industrial component. Key specifications include diameter: 1.063 INCHES NOMINAL IN, material: RUBBER, thickness: 0.094 INCHES NOMINAL IN, fsc_application_data: 1. CAP AND CHAIN ASSY,BEAM,ROCKET LAUNCHER,XM289, material_document_and_classification: MIL-R-3065B, TYPE R, CLASS RS, GRADE 500 GD MIL SPEC SINGLE MATERIAL RESPONSE.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-346-9007, 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
8403489
NSN: 5330-00-346-9007
FSC: 5330 — Packing and Gasket Materials
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
diameter1.063 INCHES NOMINAL IN
materialRUBBER
thickness0.094 INCHES NOMINAL IN
fsc_application_data1. CAP AND CHAIN ASSY,BEAM,ROCKET LAUNCHER,XM289
material_document_and_classificationMIL-R-3065B, TYPE R, CLASS RS, GRADE 500 GD MIL SPEC SINGLE MATERIAL RESPONSE
NSN5330-00-346-9007
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8403489 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: 1. CAP AND CHAIN ASSY,BEAM,ROCKET LAUNCHER,XM289
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3065B, TYPE R, CLASS RS, GRADE 500 GD MIL SPEC SINGLE MATERIAL RESPONSE
•
DIAMETER: 1.063 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
THICKNESS: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATA1. CAP AND CHAIN ASSY,BEAM,ROCKET LAUNCHER,XM289
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065B, TYPE R, CLASS RS, GRADE 500 GD MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER1.063 INCHES NOMINAL IN
MATERIALRUBBER
THICKNESS0.094 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8403489?
8403489 is a DISK,SOLID,PLAIN.
What is the NSN for 8403489?
8403489 is cataloged in the U.S. Government catalog under NSN 5330-00-346-9007. 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.