The Indicator,liquid Quantity, cataloged under National Stock Number 6680-00-993-3435, 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. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-993-3435 |
| Item Name | Indicator,liquid Quantity |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Phase | SINGLE |
| Contact Type | PIN AND COAXIAL SOCKET |
| Length | 5.000 INCHES NOMINAL IN |
| AC Voltage Rating | 115.0 VOLTS NOMINAL |
| Current Type | AC |
| Electrical Connection Quantity | 1 |
| Electrical Connection Identifying Number | 182-1000 |
| Accuracy Rating | 1.0 LITERS SINGLE INDICATOR SINGLE SCALE |
| Scale Range | +0.1 TO 25.0 LITERS SINGLE INDICATOR SINGLE SCALE |
| Diameter | 2.000 INCHES NOMINAL IN |
| Contact Quantity | 7 |
| Nondefinitive Spec/std Data | GMU-28/A TYPE |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GMU28A | 5/2 Secondary reference U.S. Government activity |
| MILI27544 | 4/1 Identification reference U.S. Government activity |
| 292-09-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6680-00-993-3435 is a Indicator,liquid Quantity, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-501-2189. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-00-993-3435: Phase: SINGLE; Contact Type: PIN AND COAXIAL SOCKET; Length: 5.000 INCHES NOMINAL IN; AC Voltage Rating: 115.0 VOLTS NOMINAL. 13 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.
NSN 6680-00-993-3435 has DEMIL Code Q. 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.