The Prism, cataloged under National Stock Number 6675-01-169-5256, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Prism |
| FSC / FSG | 6675 — Drafting, Surveying, and Mapping Instruments (FSG 66) |
| Parameter | Value |
|---|---|
| NSN | 6675-01-169-5256 |
| Item Name | Prism |
| FSC / FSG | 6675 / 66 — Drafting, Surveying, and Mapping Instruments |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| T21-175TF | 3/9 Design control — primary reference Leica Geosystems Inc. |
| 114561 | 5/9 Secondary reference Leica Geosystems Inc. |
NSN 6675-01-169-5256 is a Prism, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6635-01-445-5817. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.