The Tube,metering, cataloged under National Stock Number 6680-01-221-5934, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-221-5934 |
| Primary Part Number | S925M516WAA |
| 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 |
| End Item Design Control Activity | 91556 |
| End Item Identification Designator | BROOK MODEL 1305 |
| 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 |
|---|---|
| R12M127-3F | Brooks Instrument Llc (USA) |
| S925M516WAA PRIMARY | Brooks Instrument Llc (USA) |
| Reference | Meaning |
|---|---|
| S925M516WAA | 5/9 Secondary reference U.S. Government activity |
| R12M127-3F | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-221-5934 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 6680-01-221-5934 has 2 manufacturer part numbers on file: R12M127-3F (Brooks Instrument Llc), S925M516WAA (Brooks Instrument Llc).
Key specifications for S925M516WAA: Design Type: GLASS; End Item Design Control Activity: 91556; End Item Identification Designator: BROOK MODEL 1305; End Item Identification: BROOKS MODEL 1305 O-RING SEAL FLOWMETER. 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.