The Sensor Assy,fan Tac, cataloged under National Stock Number 6680-01-537-1602, 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 Atrenne Computing Solutions, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-537-1602 |
| Primary Part Number | 709SZ123-01-ESS |
| Item Name | Sensor Assy,fan Tac |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Atrenne Computing Solutions, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 709SZ123-01-ESS PRIMARY | Atrenne Computing Solutions, Llc (USA) |
| Reference | Meaning |
|---|---|
| 7104893 | D/9 Drawing number reference only Naval Sea Systems Command |
| 709SZ123-01 | 5/9 Secondary reference Atrenne Computing Solutions, Llc |
| 7104893-1 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 6680-01-537-1602 is a Sensor Assy,fan Tac, manufactured by Atrenne Computing Solutions, Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-537-1602 has 1 manufacturer part number on file: 709SZ123-01-ESS (Atrenne Computing Solutions, Llc).
Key specifications for 709SZ123-01-ESS: Special Features: MATERIAL - TACH STRIP MOUNTING PLATE - .090 THK AL ALLOY 5052-H32 IAW QQ-A-258/8; FRICTION LOCK STRAIGHT CONNECTOR HEADER - NYLON, 94V-0; HARDWARE - 300 SERIES CRES; CONTACTS - BRASS V; End Item Identification: ORDALT 70019, MK41MOD0VLS, ACIM, REPROGRAMMED. 0 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.
NSN 6680-01-537-1602 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.