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1517D — PADLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1517D: PADLOCK.

The PADLOCK is a the manufacturer industrial component. Key specifications include construction: SOLID, overall_diameter: 1.875 INCHES NOMINAL IN, shackle_diameter: 0.281 INCHES NOMINAL IN, shackle_clearance: 4.312 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN, operating_mechanism_type: DISK TUMBLER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-234-7726, 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
1517D
NSN: 5340-01-234-7726
FSC: 5340 — Hardware, Commercial
CAGE: 38797 — MASTER LOCK COMPANY LLC (USA)
SPECIFICATIONS
constructionSOLID
dial_quantity1
overall_diameter1.875 INCHES NOMINAL IN
shackle_diameter0.281 INCHES NOMINAL IN
shackle_clearance4.312 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
operating_mechanism_typeDISK TUMBLER
combination_knob_quantity1
NSN5340-01-234-7726
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1517D 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 DIAMETER: 1.875 INCHES NOMINAL IN
•
COMBINATION KNOB QUANTITY: 1
•
SHACKLE CLEARANCE: 4.312 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
•
OPERATING MECHANISM TYPE: DISK TUMBLER
•
DIAL QUANTITY: 1
•
SHACKLE DIAMETER: 0.281 INCHES NOMINAL IN
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.875 INCHES NOMINAL IN
COMBINATION KNOB QUANTITY1
SHACKLE CLEARANCE4.312 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
OPERATING MECHANISM TYPEDISK TUMBLER
DIAL QUANTITY1
SHACKLE DIAMETER0.281 INCHES NOMINAL IN
CONSTRUCTIONSOLID
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 1
1517Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 1517D?
1517D is a PADLOCK.
What parts can replace 1517D?
There is 1 known substitute for 1517D: 1517. Substitute compatibility should be verified for your specific system.
What is the NSN for 1517D?
1517D is cataloged in the U.S. Government catalog under NSN 5340-01-234-7726. 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.