The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-298-8741, 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 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-298-8741 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Operating Pressure Range | +1001.0 TO 6000.0 POUNDS PER SQUARE INCH LBS |
| Fluid Type for Which Designed | GAS |
| Nondefinitive Spec/std Data | H CLASS AND C COMPOSITION AND 3 TYPE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| M2940-3-H-C-P-G | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-2940 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-2940 | 4/1 Identification reference U.S. Government activity |
| MIL-S-2940 TY3 CLH COMPC-P-G | 5/9 Secondary reference U.S. Government activity |
NSN 6685-01-298-8741 is a Dampener,fluid Pressure, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6685-01-484-8677. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-298-8741: Operating Pressure Range: +1001.0 TO 6000.0 POUNDS PER SQUARE INCH LBS; Fluid Type for Which Designed: GAS; Nondefinitive Spec/std Data: H CLASS AND C COMPOSITION AND 3 TYPE; Material: STEEL CORROSION RESISTING. 4 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.