Tech tip2 min read
Core and Reel Cross Reference for New Imagelink Codes
Cross reference of 16mm, 35mm and 105mm plastic cores and spools with center hole configurations for the new Imagelink product codes.

This list gives specifications of plastic microfilm cores and spools together with their center hole configurations, so that the type of core or reel used in the new Imagelink codes can be identified.
16 mm
- Type Z: 3" OD plastic core, 1" round center hole with keyway, with film slot, Sp. 649
- Type N: 3" OD plastic core, 1" round center hole with 10 keyways, no film slot, Sp. 607
- Type B: 2" OD plastic core, 0.320" round center hole with two keyways, for Unisys, NCR, IBM and other reader sorters, Sp. 407
- Type T: 2" OD plastic core, 1" round center hole with keyway, with film slot, Sp. 642 and 642J
- R-186: plastic spool with 3.600" flange diameter, 16 mm x 100', square hole with two keyways and two drive holes, 1.25" core diameter, Sp. 603 and 615
35 mm
- Type U: 2" OD plastic core, 1" round center hole with keyway, with film slot, Sp. 756
- Type K: 3" OD plastic core, 1" round center hole with keyway, with film slot, Sp. 684
- R-200: plastic spool with 3.610" flange diameter, 35 mm x 100', 1.265" core diameter, Sp. 425
105 mm
- Type UU: 2" OD plastic core, 1" round center hole with keyway, with film slot, Sp. 827 and 906
- S-126: spool with 4.375" flange diameter, 105 mm x 100', round center hole with two drive holes, 1.5" core diameter, Sp. 832
- PC 546: core with 3" inside diameter, 105 mm x 500', Sp. 914
- Roomlight load package: for loading film into a camera magazine in room light, in a black polyethylene bag; once out of the bag it should not stay in room light for more than two hours, Sp. 827
Center hole configurations
| Type | Configuration |
|---|---|
| K, T, U, Z, UU, Modified E | 1" round hole with keyway |
| R-186 | 0.320" square hole with two keyways and two drive holes |
| R-200 (side 1) | 0.320" square hole with three keyways and two drive holes |
| R-200 (side 2) | 0.320" square hole with two keyways and two drive holes |
| S-126, S-152 | 0.500" round hole with two drive holes |
Related Imagelink codes
- Imagelink MSP, CSP 21, CSP 22, CSP 3, CSP 33
- Imagelink CNP 2, CNP3, MNP, CBP 21
- Imagelink RMM 105, UCT76
Source:Eastman Park Micrographics(epminc.com)(opens in a new tab)
Frequently asked questions
What center hole configuration do the K, T, U, Z, UU and Modified E cores have?
These cores all have a 1" round center hole with keyway.
What is the center hole configuration and specification of the R-186 spool?
The R-186 spool has a 0.320" square hole with two keyways and two drive holes; it has a 3.600" flange diameter, 16 mm x 100' film, and a 1.25" core diameter (Sp. 603 and 615).
What are the specifications of the S-126 spool?
The S-126 spool has a 4.375" flange diameter, 105 mm x 100' film, a round center hole with two drive holes, and a 1.5" core diameter (Sp. 832).
How long can film stay in room light after removal from the black polyethylene bag?
Once out of the bag, the film should not stay in room light for more than two hours.
What center hole configuration does the Type B core have and which devices is it for?
The Type B core has a 2" OD with a 0.320" round center hole and two keyways, for Unisys, NCR, IBM and other reader sorters (Sp. 407).
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