The Indicator,horizontal Situation, cataloged under National Stock Number 6605-00-034-2500, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-00-034-2500 |
| Primary Part Number | 100524 |
| Item Name | Indicator,horizontal Situation |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BEZEL AND 4 SCREW |
| Phase | SINGLE |
| Knob Purpose | COURSE SET AND HEADING SET |
| Length | 8.000 INCHES NOMINAL IN |
| AC Voltage Rating | 103.0 VOLTS MINIMUM AND 127.0 VOLTS MAXIMUM |
| Usage Design | HEADING |
| Electrical Connection Quantity | 1 |
| Mounting Hole Diameter | 0.204 INCHES NOMINAL IN |
| Presentation Type | COUNTER AND DIAL |
| 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 |
|---|---|
| 100524 PRIMARY | Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace (USA) |
| Reference | Meaning |
|---|---|
| MIL-I-26689 | 4/1 Identification reference U.S. Government activity |
| AQU-2/A | 5/1 Secondary reference U.S. Government activity |
| 6605PL1020692 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 100524 | 5/9 Secondary reference Astronautics Corporation of America |
NSN 6605-00-034-2500 is a Indicator,horizontal Situation, manufactured by Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-00-034-2500 has 1 manufacturer part number on file: 100524 (Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace).
6 possible matches (shared part number, not a government interchangeability claim): 6605-00-673-3107, 6605-00-775-3253, 6605-00-797-0134. Verify interchangeability with system specifications before substitution.
Key specifications for 100524: Mounting Facility Type and Quantity: 1 THREADED BEZEL AND 4 SCREW; Phase: SINGLE; Knob Purpose: COURSE SET AND HEADING SET; Length: 8.000 INCHES NOMINAL IN. 9 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.
NSN 6605-00-034-2500 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.