The Tester,switch,hydrostatic, cataloged under National Stock Number 6685-00-830-1574, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-830-1574 |
| Item Name | Tester,switch,hydrostatic |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM INCLUDES 1 SPHYGMOMANOMETER P/N 10727-1; 1 Y TYPE CONNECTOR P/N 64014, 1 REDUCER P/N 62055, NEOPRENE TUBING AND NAMEPLATE |
| Reference Data and Literature | T.O. 33D5-8-131-4 AND 12R5-2URT26-2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| THS1 | 5/9 Secondary reference Drs Technologies Canada Ltd |
| 108595 | 3/9 Design control — primary reference Drs Technologies Canada Ltd |
NSN 6685-00-830-1574 is a Tester,switch,hydrostatic, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3110-01-295-8170, 4820-01-347-7516, 5340-01-589-5129. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-830-1574: General Characteristics Item Description: ITEM INCLUDES 1 SPHYGMOMANOMETER P/N 10727-1; 1 Y TYPE CONNECTOR P/N 64014, 1 REDUCER P/N 62055, NEOPRENE TUBING AND NAMEPLATE; Reference Data and Literature: T.O. 33D5-8-131-4 AND 12R5-2URT26-2; Special Features: 3 TO 300 MM HG RANGE MM; Part Name Assigned by Controlling Agency: TESTER,HYDROSTATIC SWITCH. 2 specifications are 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.