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AL4009815 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AL4009815: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include shape: IRREGULAR, overall_width: 285.0 MILLIMETERS NOMINAL MM, overall_length: 428.0 MILLIMETERS NOMINAL MM, overall_thickness: 150.0 MILLIMETERS NOMINAL MM, end_item_identification: 016275147, part_name_assigned_by_controlling_agency: HVAC LEFT HAND COVER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-678-0134, 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
AL4009815
NSN: 5340-01-678-0134
FSC: 5340 — Hardware, Commercial
CAGE: 1RZR5 — FLYER DEFENSE, LLC (USA)
SPECIFICATIONS
shapeIRREGULAR
overall_width285.0 MILLIMETERS NOMINAL MM
overall_length428.0 MILLIMETERS NOMINAL MM
overall_thickness150.0 MILLIMETERS NOMINAL MM
end_item_identification016275147
part_name_assigned_by_controlling_agencyHVAC LEFT HAND COVER
NSN5340-01-678-0134
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AL4009815 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
•
OVERALL THICKNESS: 150.0 MILLIMETERS NOMINAL MM
•
SHAPE: IRREGULAR
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS150.0 MILLIMETERS NOMINAL MM
SHAPEIRREGULAR
OVERALL LENGTH428.0 MILLIMETERS NOMINAL MM
OVERALL WIDTH285.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYHVAC LEFT HAND COVER
END ITEM IDENTIFICATION016275147
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AL4009815?
AL4009815 is a COVER,PROTECTIVE,DUST AND MOISTU.
What is the NSN for AL4009815?
AL4009815 is cataloged in the U.S. Government catalog under NSN 5340-01-678-0134. 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.