The Tube,metering, cataloged under National Stock Number 6680-00-415-1691, 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 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-415-1691 |
| Item Name | Tube,metering |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Design Type | GLASS |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MODEL 10A3137N METER,SERIAL NO. 6911A3167A1-4 |
| 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 |
|---|---|
| FP1-8-20P3-37 | 3/9 Design control — primary reference Fischer and Porter Co |
NSN 6680-00-415-1691 is a Tube,metering, 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): 6680-01-108-4701. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-00-415-1691: Design Type: GLASS; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MODEL 10A3137N METER,SERIAL NO. 6911A3167A1-4. 2 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.