The Light,signal, cataloged under National Stock Number 5850-00-538-2173, is classified within Federal Supply Class 5850 (Visible and Invisible Light Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Grimes Aerospace Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5850-00-538-2173 |
| Primary Part Number | D5705-12 |
| Item Name | Light,signal |
| FSC / FSG | 5850 / 58 — Visible and Invisible Light Communication Equipment |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D5705-12 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5850-00-538-2173 is a Light,signal, manufactured by Grimes Aerospace Company, classified under FSC 5850, Visible and Invisible Light Communication Equipment. Status: active.
NSN 5850-00-538-2173 has 1 manufacturer part number on file: D5705-12 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 5850-00-811-0685. Verify interchangeability with system specifications before substitution.
Key specifications for D5705-12: Special Features: O/A DIM.,9.938 IN. LG BY 5.063 IN. W BY 3.125 IN. H IN. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.