The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-540-8527, 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 Liquid Controls, L.l.c. Div Idex Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 6680-01-540-8527 |
| Primary Part Number | M-15-1 |
| Item Name | Meter,flow Rate Indicating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Liquid Controls, L.l.c. Div Idex Corporation |
| Status | ACTIVE |
| Scale Quantity | 1 |
| Design Type | CASE |
| Construction | INCLOSED W/SIGHT WINDOW |
| 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 |
|---|---|
| M-15-1 PRIMARY | Liquid Controls, L.l.c. Div Idex Corporation (USA) |
NSN 6680-01-540-8527 is a Meter,flow Rate Indicating, manufactured by Liquid Controls, L.l.c. Div Idex Corporation, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-540-8527 has 1 manufacturer part number on file: M-15-1 (Liquid Controls, L.l.c. Div Idex Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-667-4318. Verify interchangeability with system specifications before substitution.
Key specifications for M-15-1: Scale Quantity: 1; Design Type: CASE; Construction: INCLOSED W/SIGHT WINDOW. 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.