The Indicator,horizontal Situation, cataloged under National Stock Number 6605-01-221-5384, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Astronautics Corporation of America. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Indicator,horizontal Situation |
| FSC / FSG | 6605 — Navigational Instruments (FSG 66) |
| Manufacturers | Astronautics Corporation of America (CAGE 10138) |
| Parameter | Value |
|---|---|
| NSN | 6605-01-221-5384 |
| Primary Part Number | 126610 |
| Item Name | Indicator,horizontal Situation |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 126610 PRIMARY | Astronautics Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| AQU-6A/A | 4/1 Identification reference U.S. Government activity |
| MIL-I-83034 | 4/1 Identification reference U.S. Government activity |
NSN 6605-01-221-5384 is a Indicator,horizontal Situation, manufactured by Astronautics Corporation of America, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-221-5384 has 1 manufacturer part number on file: 126610 (Astronautics Corporation of America).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-426-7165, 2040-01-459-1854. 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.
NSN 6605-01-221-5384 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.