The Tube,metering, cataloged under National Stock Number 6680-00-080-8331, 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 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-080-8331 |
| Primary Part Number | R8M25-5LH |
| Item Name | Tube,metering |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Brooks Instrument Llc |
| Status | ACTIVE |
| Design Type | GLASS |
| Media for Which Designed | OIL |
| 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 |
|---|---|
| R8M25-5LH | Brooks Instrument Llc (USA) |
| Q4600-65-1 | Testek Llc Dba Testek Solutions (USA) |
| Reference | Meaning |
|---|---|
| R8M25-5LH | 3/9 Design control — primary reference U.S. Government activity |
| S925J382WAA | 5/9 Secondary reference U.S. Government activity |
| S925J382WAA | C/1 Advisory reference — outside the item-of-supply concept Brooks Instrument Llc |
| Q4600-65-1 | 5/9 Secondary reference Aai Corporation Div Mississippi Operations |
NSN 6680-00-080-8331 is a Tube,metering, manufactured by Brooks Instrument Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-080-8331 has 2 manufacturer part numbers on file: R8M25-5LH (Brooks Instrument Llc), Q4600-65-1 (Testek Llc Dba Testek Solutions).
Key specifications for R8M25-5LH: Design Type: GLASS; Media for Which Designed: OIL; End Item Identification: 6680-00-931-8955;OIL FLOWMETER. 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.