The Alidade,surveying, cataloged under National Stock Number 6675-00-239-8217, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6675-00-239-8217 |
| Item Name | Alidade,surveying |
| FSC / FSG | 6675 / 66 — Drafting, Surveying, and Mapping Instruments |
| Status | ACTIVE |
| Minimum Vernier Graduation Unit | 1.000 MINUTES |
| Telescope Length | 8.000 INCHES MINIMUM AND 10.000 INCHES MAXIMUM IN |
| Blade Width | 2.750 INCHES MINIMUM AND 3.750 INCHES MAXIMUM IN |
| Blade Length | 11.500 INCHES MINIMUM AND 12.500 INCHES MAXIMUM IN |
| Telescope Type | INVERTING |
| Diameter Magnifying Power | 10.0 MINIMUM AND 18.0 MAXIMUM |
| Nondefinitive Spec/std Data | 2 TYPE |
| Sighting Device Type | TELESCOPE |
| Division Representation | 50.000 PARTS PER INCH OR 0.250 MILES PER INCH |
| Minimum Arc Graduation Unit | 0.500 DEGREES |
| Blade Beveled Edge Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GGA440 | 4/1 Identification reference U.S. Government activity |
NSN 6675-00-239-8217 is a Alidade,surveying, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6675-00-351-9138. Verify interchangeability with system specifications before substitution.
Key specifications for 6675-00-239-8217: Minimum Vernier Graduation Unit: 1.000 MINUTES; Telescope Length: 8.000 INCHES MINIMUM AND 10.000 INCHES MAXIMUM IN; Blade Width: 2.750 INCHES MINIMUM AND 3.750 INCHES MAXIMUM IN; Blade Length: 11.500 INCHES MINIMUM AND 12.500 INCHES MAXIMUM IN. 11 specifications are documented in the U.S. Government catalog.
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.