The Switch,flow,liquid, cataloged under National Stock Number 5930-00-161-8121, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 1 specification, 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. 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 | 5930-00-161-8121 |
| Primary Part Number | 29649 |
| Item Name | Switch,flow,liquid |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE; 1 IN. IPS SILVER BRAZECONNECTIONS; NORMALLY CLOSED; OPENS AT 10.7 GPM; CLOSES AT 8.9GPM; W/5 AMP RELAY IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 29649 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
NSN 5930-00-161-8121 is a Switch,flow,liquid, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-161-8121 has 1 manufacturer part number on file: 29649 (Setra Systems, Inc. Dba Gems Sensors).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-103-6754. Verify interchangeability with system specifications before substitution.
Key specifications for 29649: General Characteristics Item Description: BRONZE; 1 IN. IPS SILVER BRAZECONNECTIONS; NORMALLY CLOSED; OPENS AT 10.7 GPM; CLOSES AT 8.9GPM; W/5 AMP RELAY IN; End Item Identification: GEMS FLOW SWITCH MODEL FS200. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.