The Dampener,fluid Pressure, cataloged under National Stock Number 6685-00-282-9901, 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 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-00-282-9901 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| FSC Application Data | INDICATORS,LIQUID QUANTITY-PRESSURE GAGE |
| Removable Piston | NOT PROVIDED |
| Operating Pressure Range | +0.0 TO 800.0 POUNDS PER SQUARE INCH LBS |
| Nominal Pipe Size Designation | 0.250 INCHES IN |
| Tube Connection Type | FLARELESS |
| Thread Location | EXTERNAL AND INTERNAL |
| Threaded Direct Pressure Connection | PROVIDED |
| Fluid Type for Which Designed | AIR AND 0IL AND STEAM AND WATER |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS AND C COMPOSITION |
| Gage End Connection Type | MALE |
| 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 |
| MILD2940 | 5/9 Secondary reference U.S. Government activity |
| MILD2940TYPE2CLASS1C0MP0SITI0NC | 5/9 Secondary reference U.S. Government activity |
| M2940-2-L-C-S-G | 2/2 Government specification standardization U.S. Government activity |
NSN 6685-00-282-9901 is a Dampener,fluid Pressure, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 6685-01-049-8534, 6685-01-090-4361, 6685-01-408-9436. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-282-9901: FSC Application Data: INDICATORS,LIQUID QUANTITY-PRESSURE GAGE; Removable Piston: NOT PROVIDED; Operating Pressure Range: +0.0 TO 800.0 POUNDS PER SQUARE INCH LBS; Nominal Pipe Size Designation: 0.250 INCHES IN. 12 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.