The Theodolite,surveying, cataloged under National Stock Number 6675-01-577-5201, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Optical Engineering Company Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6675-01-577-5201 |
| Primary Part Number | DT240 |
| Item Name | Theodolite,surveying |
| FSC / FSG | 6675 / 66 — Drafting, Surveying, and Mapping Instruments |
| Manufacturer | Optical Engineering Company Inc |
| Status | ACTIVE |
| Graduation Unit on Horizontal/vertical Circle | DEGREES OR MILS |
| Effective Aperture Size | 45.0 MILLIMETERS NOMINAL MM |
| Tripod | NOT INCLUDED |
| Leveling Screw Quantity | 3 |
| Telescope Length | 6.500 INCHES NOMINAL IN |
| Body Cross-Sectional Shape | RECTANGULAR |
| Telescope Type | ERECTING |
| Accessory Components and Quantity | ALKALINE BATTERIES 2; LENS CAP 1; LENS HOOD 1; PLUMB BOB 1; TOOL KIT 1; OPERATOR MANUAL 1; CARRY CASE 1; SHOULDER STRAP 1 |
| Diameter Magnifying Power | 30.0 NOMINAL |
| Illuminated Feature | INCLUDED |
| Unit Type | DIRECTIONAL OR PRECISE LEVELING |
| Sighting Device Type | TELESCOPE |
| Auxiliary Telescope | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DT240 PRIMARY | Optical Engineering Company Inc (USA) |
| DT240 PRIMARY | Clayton Digital Reprographing Inc (USA) |
| Reference | Meaning |
|---|---|
| DT220 | 5/9 Secondary reference Sokkia Corporation Dba Foreign Parent Is Sokkia Co Ltd Atsugi Japan |
| DT240 | 3/9 Design control — primary reference Sokkia Corporation Dba Foreign Parent Is Sokkia Co Ltd Atsugi Japan |
NSN 6675-01-577-5201 is a Theodolite,surveying, manufactured by Optical Engineering Company Inc, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
NSN 6675-01-577-5201 has 2 manufacturer part numbers on file: DT240 (Optical Engineering Company Inc), DT240 (Clayton Digital Reprographing Inc).
Key specifications for DT240: Graduation Unit on Horizontal/vertical Circle: DEGREES OR MILS; Effective Aperture Size: 45.0 MILLIMETERS NOMINAL MM; Tripod: NOT INCLUDED; Leveling Screw Quantity: 3. 13 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.