The Indicator,engine Temperature, cataloged under National Stock Number 6620-01-202-4556, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-202-4556 |
| Primary Part Number | 643-20340 |
| Item Name | Indicator,engine Temperature |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| General Characteristics Item Description | 0 TO 250 DEG F RANGE; DIAL INDICATING DEGF |
| 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 |
|---|---|
| 643-20340 | Phaostron Instrument and Electronic Company (USA) |
| Reference | Meaning |
|---|---|
| 6685PL0959490 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| STC-2707 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6620-01-202-4556 is a Indicator,engine Temperature, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-202-4556 has 1 manufacturer part number on file: 643-20340 (Phaostron Instrument and Electronic Company).
Key specifications for 643-20340: General Characteristics Item Description: 0 TO 250 DEG F RANGE; DIAL INDICATING DEGF. 1 specification is 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.