The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-119-5550, 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 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-119-5550 |
| Item Name | Meter,flow Rate Indicating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Design Type | CASE |
| Unit Type | MOUNTED |
| Construction | INCLOSED W/SIGHT WINDOW |
| Meter Type | FLOAT |
| Float Type | FREE |
| Base | NOT INCLUDED |
| Carrying Handle | NOT INCLUDED |
| Material | GLASS TUBE |
| Media for Which Designed | LIQUID |
| Metering Tube Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 18175 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-01-119-5550 is a Meter,flow Rate Indicating, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-551-6714, 5330-01-560-8174. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-01-119-5550: Design Type: CASE; Unit Type: MOUNTED; Construction: INCLOSED W/SIGHT WINDOW; Meter Type: FLOAT. 10 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.