The Tachometer, cataloged under National Stock Number 6680-01-118-7280, 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 Bcmj Controls, Inc. Dba Bcmj Group. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Tachometer |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Bcmj Controls, Inc. Dba Bcmj Group (CAGE 0AKX2) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-118-7280 |
| Primary Part Number | SST-2000A |
| Item Name | Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Bcmj Controls, Inc. Dba Bcmj Group |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| STT-2000 | Bcmj Controls, Inc. Dba Bcmj Group (USA) |
| SST-2000A PRIMARY | Bcmj Controls, Inc. Dba Bcmj Group (USA) |
| Reference | Meaning |
|---|---|
| SST-2000 | 5/9 Secondary reference Bcmj Controls, Inc. Dba Bcmj Group |
| 075-611-1121 | 5/9 Secondary reference Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc |
| 075-611-1121 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-118-7280 is a Tachometer, manufactured by Bcmj Controls, Inc. Dba Bcmj Group, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-118-7280 has 2 manufacturer part numbers on file: STT-2000 (Bcmj Controls, Inc. Dba Bcmj Group), SST-2000A (Bcmj Controls, Inc. Dba Bcmj Group).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-314-3622. Verify interchangeability with system specifications before substitution.
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.