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PartsTable / COMPONENT / MDLAC20
MDLAC20 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PADLOCK is a the manufacturer industrial component. Key specifications include construction: SOLID, overall_width: 1.500 INCHES NOMINAL IN, overall_height: 2.375 INCHES NOMINAL IN, shackle_diameter: 0.219 INCHES NOMINAL IN, surface_treatment: ZINC OR CADMIUM AND LACQUER OVERALL, key_change_quantity: 1200. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-664-1319, 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
MDLAC20
NSN: 5340-00-664-1319
FSC: 5340
CAGE: 22107 — AMERICAN LOCK COMPANY DBA AMERICAN LOCK (USA)
SPECIFICATIONS
constructionSOLID
overall_width1.500 INCHES NOMINAL IN
overall_height2.375 INCHES NOMINAL IN
shackle_diameter0.219 INCHES NOMINAL IN
surface_treatmentZINC OR CADMIUM AND LACQUER OVERALL
key_change_quantity1200
operating_mechanism_typeDISK TUMBLER
nondefinitive_spec/std_dataEF TYPE
NSN5340-00-664-1319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MDLAC20 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
•
NONDEFINITIVE SPEC/STD DATA: EF TYPE
•
SURFACE TREATMENT: ZINC OR CADMIUM AND LACQUER OVERALL
•
SHACKLE DIAMETER: 0.219 INCHES NOMINAL IN
•
CONSTRUCTION: SOLID
•
OPERATING MECHANISM TYPE: DISK TUMBLER
•
KEY CHANGE QUANTITY: 1200
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAEF TYPE
SURFACE TREATMENTZINC OR CADMIUM AND LACQUER OVERALL
OVERALL WIDTH1.500 INCHES NOMINAL IN
SHACKLE DIAMETER0.219 INCHES NOMINAL IN
CONSTRUCTIONSOLID
OPERATING MECHANISM TYPEDISK TUMBLER
KEY CHANGE QUANTITY1200
OVERALL HEIGHT2.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
ASTM F883Upgraded Successor
successor cross-reference
successor
A-A-1928Upgraded Successor
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FF-P-101Upgraded Successor
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MDL300Upgraded Successor
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1500Upgraded Successor
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21B772Upgraded Successor
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LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MDLAC20?
MDLAC20 is a PADLOCK.
What parts can replace MDLAC20?
There are 17 known substitutes for MDLAC20: ASTM F883, A-A-1928, FF-P-101 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MDLAC20?
MDLAC20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-664-1319. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026