DIN 477-9 is the European standard for Oxygen Fittings.

Gas Fittings, DIN 477-9

ImageSKUNameSummaryPriceBuy
O-Ring 2-113 E70 (DIN)
09001-3113-70O-Ring 2-113 E70 (DIN)

Replacement O-ring for all DIN-477#9 regulators & transfill.
Fits DIN 477-9 nipple.

$1.00
DIN 477-9 Nut
00HDW-0376-00DIN 477-9 Nut

Nut-DIN-477-9.
Cleaned for oxygen use.

$45.00
DIN 477-9 Nipple (New Euro Style)
00HDW-0373-02DIN 477-9 Nipple (New Euro Style)

Nipple DIN 477-9 to 1/4 NPT-M.
w/O-ring & filter New Euro.
Cleaned for oxygen use.

$95.00
DIN 477-9 Socket
00HDW-0374-00DIN 477-9 Socket

DIN 477-9 socket, 1/4 NPT-F.
Cleaned for oxygen use.

$66.00