The Housing,indicator, cataloged under National Stock Number 6620-00-166-6809, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ranco Inc Ranco Controls Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6620-00-166-6809 |
| Primary Part Number | 17970 |
| Item Name | Housing,indicator |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Ranco Inc Ranco Controls Div |
| Status | ACTIVE |
| FSC Application Data | ENGINE ELECTRICAL INDICATOR |
| Dial Window | INCLUDED |
| Dial Frame | INCLUDED |
| Supply Provision Type | ELECTRICAL |
| Material | GLASS OR ALUMINUM ALLOY |
| 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 |
|---|---|
| 17970 PRIMARY | Ranco Inc Ranco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| 17970 | 3/9 Design control — primary reference Ranco Management Corp |
NSN 6620-00-166-6809 is a Housing,indicator, manufactured by Ranco Inc Ranco Controls Div, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-00-166-6809 has 1 manufacturer part number on file: 17970 (Ranco Inc Ranco Controls Div).
2 possible matches (shared part number, not a government interchangeability claim): 2910-00-459-6989, 5306-01-186-7135. Verify interchangeability with system specifications before substitution.
Key specifications for 17970: FSC Application Data: ENGINE ELECTRICAL INDICATOR; Dial Window: INCLUDED; Dial Frame: INCLUDED; Supply Provision Type: ELECTRICAL. 5 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.