this item is not an OCXO but a TCXO.
Accoding to my memory the stability is +-0.3 ppm over about 0°C to +50°C, it has 5 V supply and a CMOS/TTL output
You can see the pin connections in the attachment (Option E). The trimmer is 20 kOhm.
I wish you much fun with the part.

Best regards
Bernd, DK1AG
ex head of Tele Quarz oscillator division for 19 years ;)
now:
AXTAL GmbH & Co. KG
www.axtal.com