The Tube,metering, cataloged under National Stock Number 6680-01-018-0997, 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 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-018-0997 |
| Item Name | Tube,metering |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | SERIAL NO. 7409A1203A1-31 |
| 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 |
|---|---|
| FP 1/4-20-P-3/37 | 5/9 Secondary reference Fischer and Porter Co |
| 10A3135 PIECE 3 | 5/9 Secondary reference Fischer and Porter Co |
| 448R038U12 | 3/9 Design control — primary reference Fischer and Porter Co |
NSN 6680-01-018-0997 is a Tube,metering, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-01-018-0997: Special Features: 1/4 IN. TUBE SIZE, 3-3/4 IN. LG, 70 MM LG. SCALE, WHITE BACKING ON REAR HALF OF TUBE FOR ENTIRE SCALE LENGTH MM; End Item Identification: FISCHER AND PORTER MODEL 10A3135; Reference Number Differentiating Characteristics: SERIAL NO. 7409A1203A1-31. 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.