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81LJCN — PADLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

81LJCN: PADLOCK.

The PADLOCK is a the manufacturer industrial component. Key specifications include chain_length: 9.000 INCHES NOMINAL IN, construction: LAMINATED, overall_width: 1.750 INCHES NOMINAL IN, shackle_diameter: 0.312 INCHES NOMINAL IN, shackle_clearance: 2.625 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-007-4403, 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
81LJCN
NSN: 5340-01-007-4403
FSC: 5340 — Hardware, Commercial
CAGE: 38797 — MASTER LOCK COMPANY LLC (USA)
SPECIFICATIONS
chain_length9.000 INCHES NOMINAL IN
constructionLAMINATED
overall_width1.750 INCHES NOMINAL IN
shackle_diameter0.312 INCHES NOMINAL IN
shackle_clearance2.625 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
operating_mechanism_typePIN TUMBLER
NSN5340-01-007-4403
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81LJCN 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
•
SHACKLE CLEARANCE: 2.625 INCHES NOMINAL IN
•
OPERATING MECHANISM TYPE: PIN TUMBLER
•
CHAIN LENGTH: 9.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SHACKLE DIAMETER: 0.312 INCHES NOMINAL IN
•
CONSTRUCTION: LAMINATED
TECHNICAL CHARACTERISTICS
SHACKLE CLEARANCE2.625 INCHES NOMINAL IN
OPERATING MECHANISM TYPEPIN TUMBLER
OVERALL WIDTH1.750 INCHES NOMINAL IN
CHAIN LENGTH9.000 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SHACKLE DIAMETER0.312 INCHES NOMINAL IN
CONSTRUCTIONLAMINATED
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
81LJCReference document
Same NSN cross-reference
Reference document — Secondary reference
81LJCHReference document
Same NSN cross-reference
Reference document — Secondary reference
81 1/2C2 5/8Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 81LJCN?
81LJCN is a PADLOCK.
What parts can replace 81LJCN?
There are 3 known substitutes for 81LJCN: 81LJC, 81LJCH, 81 1/2C2 5/8. Substitute compatibility should be verified for your specific system.
What is the NSN for 81LJCN?
81LJCN is cataloged in the U.S. Government catalog under NSN 5340-01-007-4403. This indicates validated use in U.S. government and defense supply chains.
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