DTD189A Stainless Locking Wire

British Ministry specification stainless locking wire, sized in SWG, on 0.5 kg reels.

As listed

FieldValue
SellerLAS Aerospace
Seller's item #T04IR671X
SpecificationDTD189A (British)
Sizes18 to 26 SWG
Reel0.5 kg
Listing checked2026-09-30

Taken from LAS Aerospace's product page on 2026-09-30. Where the listing does not state a figure, this table does not either.

What it is for

Sized in standard wire gauge rather than inches; the American equivalent is MS20995. Use the specification the aircraft's data calls for.

The technique is in AC 43.13-1B; we have no safety-wiring page yet.

Sizes listed

PartSWG
Spool
DTD189A-18SWG-REEL18
DTD189A-20SWG-REEL20
DTD189A-22SWG-REEL22
DTD189A-24SWG-REEL24
DTD189A-26SWG-REEL26

As listed by LAS Aerospace on 2026-09-30. Check the live listing before ordering: stock and part numbers change.

Where to buy

The link opens LAS Aerospace's own page for this item, so the price and stock you see are theirs and current. We do not copy prices.

The Aviation Point links to third-party manufacturer and distributor websites. We may earn a commission on purchases made through these links, at no additional cost to you. The Aviation Point has no partnership or affiliate agreement with LAS Aerospace, and these links carry no tracking parameters.

Sources

Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.
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