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Pelican’s hasp loops are sized for a standard 3/16″-5/16″ diameter shackle, which most padlocks in this size range fit without modification — the real choice is between TSA-friendly combination locks for checked luggage and higher-security keyed padlocks for storage or transport. These 6 are real, currently-sold locks, from a $10 TSA combination lock to a $59 solid brass padlock.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Pelican 1506TSA PeliLock | $15-$26 | Amazon · eBay |
| 2 | Master Lock 4688D TSA-Accepted Luggage Lock | $10 | Amazon · eBay |
| 3 | Master Lock 4696T Extended Reach TSA Lock | $24 for 2 | Amazon |
| 4 | Master Lock 175DWD Combination Padlock | $17-$19 | Amazon · eBay |
| 5 | American Lock A5200 Solid Steel Rekeyable Padlock | $20-$28 | Amazon · eBay |
| 6 | ABUS 88/40 Solid Brass Padlock | $42-$59 | Amazon |
The picks, in detail

Pelican 1506TSA PeliLock
Pelican’s own official TSA-approved combination padlock, sized specifically for Pelican case hasp loops — the safest fitment bet since it’s made by the case manufacturer itself.
- 3-digit combination
- TSA-accepted design
- Sized for Pelican hasp loops
- Guaranteed fit since it’s Pelican’s own product
- TSA screeners can open and relock without cutting it
- Only a 3-digit combination, less code variety than a 4-digit lock

Master Lock 4688D TSA-Accepted Luggage Lock
A resettable combination lock with a flexible cable shackle, one of the most common budget TSA-accepted locks used on Pelican cases for air travel.
- Set-your-own combination
- Flexible steel cable shackle
- TSA-accepted
- Very inexpensive
- Flexible shackle fits a range of hasp loop sizes
- Cable shackle is less cut-resistant than a solid steel shackle
Master Lock 4696T Extended Reach TSA Lock
A wider-body TSA combination lock with an extended-reach shackle, built specifically for equipment cases with thicker hasp loops than typical luggage.
- Extended-reach 1/4″ diameter shackle
- 1-5/16″ wide metal body
- TSA-accepted, resettable combination
- Extended shackle reach suits thicker case hasps
- Sold as a 2-pack for multiple latches
- Bulkier than the standard 4688D

Master Lock 175DWD Combination Padlock
A solid brass-body combination padlock with a hardened steel shackle — not TSA-approved, but stronger security for storage or transport when you’re not flying with the case.
- Resettable 4-digit combination
- Solid brass body
- Hardened steel shackle
- Sturdier build than the TSA-cable-shackle locks
- No key to lose
- Not TSA-accepted — screeners would have to cut it if flagged

American Lock A5200 Solid Steel Rekeyable Padlock
A heavy-duty rekeyable steel padlock built for real security rather than air travel — the pick for a case going into a work van or storage unit rather than checked luggage.
- Solid steel body
- Rekeyable cylinder
- 1-3/4″ wide body
- Much higher security than a TSA combination lock
- Rekeyable to match other locks you own
- Not TSA-accepted, and heavier than the combination options
ABUS 88/40 Solid Brass Padlock
A premium solid brass padlock with a 5/16″ shackle diameter that fits Pelican hasp loops closely, from a German lock maker known for pick and cut resistance.
- 5/16″ shackle diameter
- Solid brass body
- Keyed, available keyed-alike
- Strong resistance to picking and cutting
- Close shackle fit reduces play in the hasp
- Most expensive lock on this list, and not TSA-accepted
Buying tips
- If the case is going through airport security, stick to a TSA-accepted lock (Pelican 1506TSA, Master Lock 4688D or 4696T) — screeners can open and relock these without cutting them.
- Check your case’s specific hasp loop diameter before buying a keyed padlock; most Pelican cases fit a 3/16″-5/16″ shackle, and the ABUS 88/40’s 5/16″ shackle is sized at the larger end of that range.
- For storage or transport rather than air travel, a non-TSA keyed padlock (American Lock A5200, ABUS 88/40) offers real security a TSA lock’s known master-key vulnerability doesn’t.
- Most Pelican cases have two hasp loops — buy two locks (or a matched pair) rather than leaving one side unlocked.
As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.
