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521-0231 — SEAL,BEARING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

521-0231: SEAL,BEARING.

The SEAL,BEARING is a the manufacturer industrial component. Key specifications include end_item_identification: AV8B SUPPORT EQUIPMENT, part_name_assigned_by_controlling_agency: 24V POWER SUPPLY V. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-187-0243, 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
521-0231
NSN: 5330-01-187-0243
NIINs: 011870243, 016869078
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationAV8B SUPPORT EQUIPMENT
part_name_assigned_by_controlling_agency24V POWER SUPPLY V
NSN5330-01-187-0243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 521-0231 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 521-0231?
521-0231 is a SEAL,BEARING.
What is the NSN for 521-0231?
521-0231 is cataloged in the U.S. Government catalog under NSN 5330-01-187-0243. This indicates validated use in U.S. government and defense supply chains.
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