The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-01-577-2800, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Tempo Products Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-577-2800 |
| Primary Part Number | 420020 |
| Item Name | Transmitter,liquid Quantity |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Tempo Products Co |
| Status | ACTIVE |
| Actuation Method | DIRECT FLOAT ARM |
| Mechanical Connection Quantity | 1 |
| Media for Which Designed | FUEL |
| 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 |
|---|---|
| 420020 PRIMARY | Tempo Products Co (USA) |
| 035751-10 | Moore Company the Dba Moeller Marine Products Div Moeller Marine Products (USA) |
| TRG0800M | Tempo Products Co (USA) |
| Reference | Meaning |
|---|---|
| 0210565 REV J FIND 11 | D/9 Drawing number reference only Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific |
NSN 6680-01-577-2800 is a Transmitter,liquid Quantity, manufactured by Tempo Products Co, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-577-2800 has 3 manufacturer part numbers on file: 420020 (Tempo Products Co), 035751-10 (Moore Company the Dba Moeller Marine Products Div Moeller Marine Products), TRG0800M (Tempo Products Co).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-585-2479, 6515-01-646-5595. Verify interchangeability with system specifications before substitution.
Key specifications for 420020: Actuation Method: DIRECT FLOAT ARM; Mechanical Connection Quantity: 1; Overall Length: 8.000 INCHES NOMINAL IN; Media for Which Designed: FUEL. 3 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.