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802409 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

802409: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include special_features: ITEM IS A SAFETY SHIPPING CAP FOR A FIRE EXTINGUISHER CHARGED SPHERE FOR THE C-130J AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-875-8491, 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
802409
NSN: 5340-00-875-8491
FSC: 5340 — Hardware, Commercial
CAGE: 96124 — TRANSDIGM INC DIV AERO FLUID PRODUCTS (USA)
SPECIFICATIONS
special_featuresITEM IS A SAFETY SHIPPING CAP FOR A FIRE EXTINGUISHER CHARGED SPHERE FOR THE C-130J AIRCRAFT
NSN5340-00-875-8491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 802409 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESITEM IS A SAFETY SHIPPING CAP FOR A FIRE EXTINGUISHER CHARGED SPHERE FOR THE C-130J AIRCRAFT
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
A802409Reference document
Same NSN cross-reference
Reference document — Secondary reference
5340PL2179788Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 802409?
802409 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 802409?
There are 2 known substitutes for 802409: A802409, 5340PL2179788. Substitute compatibility should be verified for your specific system.
What is the NSN for 802409?
802409 is cataloged in the U.S. Government catalog under NSN 5340-00-875-8491. 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.