The Ohio Medical Diamond II is a second-generation medical gas outlet produced from 1971 to 1978 (Model A30 series). It features a smooth-faced white plastic pressure piston, a circular-grain finish plate, and brass-with-O-ring rough-in seals. It can be upgraded to Gemini or DiamondCare outlets.
Technical Reference
Parts, service kits, and configuration data from the manufacturer's documentation.
Diamond
II outlets were produced from 1971 until 1978. There is
no DISS II series outlet. The piston of the Diamond II pressure
outlets is a smooth faced white plastic. The vacuum pistons have
3
grooves (peace symbol) on the face of them. The finish plate
(item #2 below) had a circular grain pattern. The seal to the
rough-in was made from brass with o-ring seals (Item #14 below).
The model A30 series
designates Diamond II outlets. This outlet can be upgraded to
Gemini or DiamondCare.
Item
Part Number
Description
1
Obsolete
Screw, #6-32 x 1-1/2", Oval PH HD
1A
621501-00
Washer, Screw Retaining
2
Obsolete
Finish Plate
3
4107 6520 30
O-Ring
4
See Detail
Front Body Housing
5
Obsolete
Piston, Pressure Gases Only
6
Obsolete
Piston, Vacuum Services Only
7
Obsolete
O-Ring, Pressure Gases Only
8
Obsolete
Spring, Pressure Gases Only
9
Obsolete
Spring, Vacuum Services Only
10
Obsolete
Eyelet, Vacuum Services Only, 3/4" Length
11
Obsolete
Spider Retainer, Vacuum Services Only
12
4107 6519 89
Retaining Ring, Internal
13
4107 6520 20
O-Ring
14
Obsolete
Bushing, Rear Body
15
Obsolete
O-Ring
16
4107 4006 00
O-Ring, Pressure Gases Only
17
Obsolete
Secondary Check, Pressure Gases Only
18
Obsolete
Spring, Conical, Pressure Gases Only
Item
Part Number
Description
4A
4107 2097 31
Eyelet, Pkg of 50
4B
4107 4006 08
Keying Disc, O2
4107 4006 09
Keying Disc, N2O
4107 4006 10
Keying Disc, VAC
4107 4006 11
Keying Disc, AIR
Obsolete
Keying Disc, CO2
4C
833953-PG
Adapter Locking Spring
4D
Obsolete
Body, Front (cylinder), Pressure Gases
Obsolete
Body, Front (cylinder), Vacuum Services
4E
Obsolete
Cover Plate, w/o Logo
4F
Obsolete
Cover Plate, w/Logo
Item
Part Number
Description
19
4107 6523 06
Retaining Ring, External
20
4107 4006 53
Retaining Nut, #6-32
21
Obsolete
Exposed Box
22
Obsolete
Plug
23
Obsolete
Wedge
24
Obsolete
Spacer
25
Obsolete
Channel
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