The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-357-9902, 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 Brooks Instrument Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-357-9902 |
| Primary Part Number | M-1140-154 |
| Item Name | Meter,flow Rate Indicating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Brooks Instrument Llc |
| Status | ACTIVE |
| Design Type | CASE |
| Material | GLASS TUBE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| M-1140-154 | Brooks Instrument Llc (USA) |
| Reference | Meaning |
|---|---|
| 1140CZ38 | 3/9 Design control — primary reference U.S. Government activity |
| M-1140-154 | 5/9 Secondary reference U.S. Government activity |
| 1140CZ38 | C/1 Advisory reference — outside the item-of-supply concept Brooks Instrument Llc |
NSN 6680-01-357-9902 is a Meter,flow Rate Indicating, manufactured by Brooks Instrument Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-357-9902 has 1 manufacturer part number on file: M-1140-154 (Brooks Instrument Llc).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-358-8100. Verify interchangeability with system specifications before substitution.
Key specifications for M-1140-154: Design Type: CASE; Overall Length: 22.875 INCHES NOMINAL IN; Material: GLASS TUBE; Metering Tube Quantity: 1. 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.