Parker H12025-1 Seal Ring 18-15M, Rev Lvl: J Dimensions: A=27.875X B=27.355
Parker Hannifin Corporation
Mfg: Vetco Gray
Part Number/Mfg P/N: H12025-1
Rev Lvl: J
Part: V/G H12025-1 
Spec & Rev: Vgs 5.1110.1.1  8
Size/Dimensions: A=27.875X B=27.355
Compound/Generic: Mx9511
Hardness: 70A/80D
Seal Kit, Hydrate, 18-15M, Dwhd, Lip, Nom 27, Anti-hydrate/Silting, H4 Connector 
Ss009
Oh: 7
20000865
Coo: United Kingdom
Weight: 770 Gm