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5978931 — DISK,SOLID,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5978931: DISK,SOLID,PLAIN.

The DISK,SOLID,PLAIN is a the manufacturer industrial component. Key specifications include diameter: 1.500 INCHES NOMINAL IN, material: RUBBER, thickness: 0.031 INCHES NOMINAL IN, material_document_and_classification: MIL-R-15624, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-282-9319, 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
5978931
NSN: 5330-01-282-9319
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
diameter1.500 INCHES NOMINAL IN
materialRUBBER
thickness0.031 INCHES NOMINAL IN
material_document_and_classificationMIL-R-15624, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5330-01-282-9319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5978931 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
•
DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER1.500 INCHES NOMINAL IN
MATERIALRUBBER
THICKNESS0.031 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5978931?
5978931 is a DISK,SOLID,PLAIN.
What is the NSN for 5978931?
5978931 is cataloged in the U.S. Government catalog under NSN 5330-01-282-9319. This indicates validated use in U.S. government and defense supply chains.
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