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LCN4040 — CLOSER,DOOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LCN4040: CLOSER,DOOR.

The CLOSER,DOOR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-022-0053, 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
LCN4040
NSN: 5340-01-022-0053
FSC: 5340 — Hardware, Commercial
CAGE: 66821 — YALE SECURITY INC. DBA NORTON DOOR CONTROL (USA)
SPECIFICATIONS
Part NumberLCN4040
NSN5340-01-022-0053
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LCN4040 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
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 3
CRDC6210-M54-689Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2820 SBLReference document
Same NSN cross-reference
Reference document — Secondary reference
DC2200X6899Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 LCN4040?
LCN4040 is a CLOSER,DOOR.
What parts can replace LCN4040?
There are 3 known substitutes for LCN4040: CRDC6210-M54-689, 2820 SBL, DC2200X6899. Substitute compatibility should be verified for your specific system.
What is the NSN for LCN4040?
LCN4040 is cataloged in the U.S. Government catalog under NSN 5340-01-022-0053. This indicates validated use in U.S. government and defense supply chains.
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