Appendix D Spectrometer Adapters 149
ISA HR 640 (NTE with or without shutter)
3
4
5
1
2
Qty P/N Description
1. 1 2518-0203
Adapter-Female, HR640
2. 4 2826-0144
Screw, M4-.7 × 14, Socket Head Cap, Stainless Steel
3. 1 2518-0107
Adapter-Male, HR320
4. 3 2826-0127
Screw, 10-32 × 1/4, Button Head Allen Hex, Stainless Steel
5. 2
2826-0082 Set Screw, 10-32 × 1/4, Stainless Steel, Allen Hex, Nylon Tip
Assembly Instructions
1. Insert part 1 into the spectrom
eter (dashed line in illustration) and fasten with the socket
head screws provided.
2. Attach part 3 to the cam
era with the three (3) 1/4" long button head screws provided.
3. Gently
insert part 3 into part 1 and fasten with the setscrews.
Note: Adapter parts are machined to provide a tight fit. It is necessary to rotate the camera
back and forth when inserting into the spectrometer adapter. Do not force the two parts of
the adapter together, as they can be permanently damaged by excessive force.