The Transit, cataloged under National Stock Number 6675-01-129-7798, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Brunson Instrument Company Dba Brunson Instrument Co. Government technical data includes 24 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6675-01-129-7798 |
| Primary Part Number | 5600-G1 |
| Item Name | Transit |
| FSC / FSG | 6675 / 66 — Drafting, Surveying, and Mapping Instruments |
| Manufacturer | Brunson Instrument Company Dba Brunson Instrument Co |
| Status | ACTIVE |
| Vertical Circle Stadia Arc Graduation | NOT INCLUDED |
| Effective Aperture Size | 1.340 INCHES NOMINAL IN |
| Tripod | NOT INCLUDED |
| Vertical Circle | INCLUDED |
| Horizontal Circle Diameter | 8.000 INCHES NOMINAL IN |
| Focusing Type | EXTERNAL |
| Telescope Length | 12.000 INCHES NOMINAL IN |
| Stadia Hair | NOT INCLUDED |
| Telescope Type | ERECTING |
| Horizontal Circle Vernier Quantity | 2 |
| Accessory Components and Quantity | COVER,WATERPROOF PLASTIC 1;INSTRUCTION BOOKLET 1 |
| Diameter Magnifying Power | 30.0 NOMINAL |
| Illuminated Feature | NOT INCLUDED |
| Striding Level | NOT INCLUDED |
| Sighting Device Type | TELESCOPE |
| Vertical Circle Minimum Vernier Graduation Unit | 1.0 SECONDS |
| Compass | NOT INCLUDED |
| Carrying Case | PROVIDED |
| Functional Description | USED IN ALIGNMENT AND FORESIGHTING OF THE HEADS UP DISPLAY UNIT IN THE F-16 OPERATIONAL FLIGHT TRAINER |
| Horizontal Circle Vernier Graduation Unit | 1.0 SECONDS |
| Auxiliary Telescope | NOT INCLUDED |
| Vertical Circle Minimum Graduation Unit | 20.0 SECONDS |
| Horizontal Circle Minimum Graduation Unit | 20.0 SECONDS |
| Telescope Level Vial | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6675-01-129-7798 is a Transit, manufactured by Brunson Instrument Company Dba Brunson Instrument Co, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
NSN 6675-01-129-7798 has 2 manufacturer part numbers on file: 79 (Brunson Instrument Company Dba Brunson Instrument Co), 5600-G1 (Brunson Instrument Company Dba Brunson Instrument Co).
Key specifications for 5600-G1: Vertical Circle Stadia Arc Graduation: NOT INCLUDED; Effective Aperture Size: 1.340 INCHES NOMINAL IN; Tripod: NOT INCLUDED; Vertical Circle: INCLUDED. 24 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.