The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-459-4819, 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 Pulsco Div of Tolo Inc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-459-4819 |
| Primary Part Number | 840-10165 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Pulsco Div of Tolo Inc |
| Status | ACTIVE |
| Removable Piston | NOT PROVIDED |
| Operating Pressure Range | +0.0 TO 1800.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | 304 ASSN STD SINGLE MATERIAL RESPONSE |
| Threaded Direct Pressure Connection | NOT PROVIDED |
| Fluid Type for Which Designed | GAS AND LIQUID |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 840-10165 | Pulsco Div of Tolo Inc (USA) |
| Reference | Meaning |
|---|---|
| APT-6 | 3/9 Design control — primary reference Pulsco Div of Tolo Inc |
NSN 6685-01-459-4819 is a Dampener,fluid Pressure, manufactured by Pulsco Div of Tolo Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-459-4819 has 1 manufacturer part number on file: 840-10165 (Pulsco Div of Tolo Inc).
Key specifications for 840-10165: Removable Piston: NOT PROVIDED; Operating Pressure Range: +0.0 TO 1800.0 POUNDS PER SQUARE INCH LBS; Material Document and Classification: 304 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 29.000 INCHES NOMINAL IN. 6 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.