The Indicator,course, cataloged under National Stock Number 6605-00-504-0736, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 5 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. 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 | 6605-00-504-0736 |
| Primary Part Number | 644536 |
| Item Name | Indicator,course |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Phase | SINGLE |
| AC Voltage Rating | 115.0 VOLTS NOMINAL |
| Current Type | AC |
| Diameter | 6.500 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 644536 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 6605-00-504-0736 is a Indicator,course, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-00-504-0736 has 1 manufacturer part number on file: 644536 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-175-2539. Verify interchangeability with system specifications before substitution.
Key specifications for 644536: Phase: SINGLE; AC Voltage Rating: 115.0 VOLTS NOMINAL; Current Type: AC; Diameter: 6.500 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN. 5 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.