The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-017-0366, 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 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-017-0366 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Removable Piston | NOT PROVIDED |
| Operating Pressure Range | +0.0 TO 800.0 POUNDS PER SQUARE INCH LBS |
| Thread Location | INTERNAL AND EXTERNAL |
| Threaded Direct Pressure Connection | PROVIDED |
| Fluid Type for Which Designed | 0IL |
| Nondefinitive Spec/std Data | L CLASS AND C COMPOSITION AND 1 TYPE |
| Thread Size | 9/16-18 |
| Screw Thread Series Designator | UNF |
| Thread Class | 3A AND 3B A |
| Material | STEEL CORROSION RESISTING |
| Connection Quantity | 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 |
|---|---|
| MIL-PRF-2940 | 4/1 Identification reference U.S. Government activity |
| MIL-S-2940 | 5/9 Secondary reference U.S. Government activity |
| MIL-S-2940 1-L-C-S-G | 2/2 Government specification standardization U.S. Government activity |
NSN 6685-01-017-0366 is a Dampener,fluid Pressure, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-017-0366: Removable Piston: NOT PROVIDED; Operating Pressure Range: +0.0 TO 800.0 POUNDS PER SQUARE INCH LBS; Overall Length: 8.000 INCHES MAXIMUM IN; Thread Location: INTERNAL AND EXTERNAL. 11 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.