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404540 — KEY,LOCK

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

404540: KEY,LOCK.

The KEY,LOCK is a Legrand industrial component. Key specifications include material: PLASTIC OVERALL, end_item_identification: 782000(3PTG3),ID 1400 50 IN SXGA PLUS DISPLAY,782020(3PTG3),ID 1400 67 IN SXGA PLUS DISPLAY IN, part_name_assigned_by_controlling_agency: KEYS,CUBE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-552-9310, 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
404540
NSN: 5340-01-552-9310
FSC: 5340 — Hardware, Commercial
CAGE: 3PTG3 — CHUGACH INDUSTRIES, INC. (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
end_item_identification782000(3PTG3),ID 1400 50 IN SXGA PLUS DISPLAY,782020(3PTG3),ID 1400 67 IN SXGA PLUS DISPLAY IN
part_name_assigned_by_controlling_agencyKEYS,CUBE
NSN5340-01-552-9310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 404540 MFR: Legrand ⚠ 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: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYKEYS,CUBE
END ITEM IDENTIFICATION782000(3PTG3),ID 1400 50 IN SXGA PLUS DISPLAY,782020(3PTG3),ID 1400 67 IN SXGA PLUS DISPLAY IN
MATERIALPLASTIC OVERALL
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 404540?
404540 is a KEY,LOCK manufactured by Legrand.
What is the NSN for 404540?
404540 is cataloged in the U.S. Government catalog under NSN 5340-01-552-9310. 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.