The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-443-9103, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Sioux Chief Mfg Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-443-9103 |
| Primary Part Number | 652-A |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Sioux Chief Mfg Co Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 652-A PRIMARY | Sioux Chief Mfg Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 652A-1/2IPS | 5/9 Secondary reference Sioux Chief Mfg Co Inc |
NSN 6685-01-443-9103 is a Dampener,fluid Pressure, manufactured by Sioux Chief Mfg Co Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-443-9103 has 1 manufacturer part number on file: 652-A (Sioux Chief Mfg Co Inc).
Key specifications for 652-A: Special Features: 1/2IN. IPS CONNECTION IN. 0 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.