The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-474-3144, 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 Hydril Rubber Opns. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-474-3144 |
| Primary Part Number | C05-0150C276 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Hydril Rubber Opns |
| Status | ACTIVE |
| Removable Piston | NOT PROVIDED |
| Threaded Direct Pressure Connection | NOT PROVIDED |
| 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 |
|---|---|
| C05-0150C276 PRIMARY | Hydril Rubber Opns (USA) |
| Reference | Meaning |
|---|---|
| H413-2401 PN H6553100-F008 | 5/2 Secondary reference U.S. Government activity |
| 3122399 | D/9 Drawing number reference only Hydril Rubber Opns |
NSN 6685-01-474-3144 is a Dampener,fluid Pressure, manufactured by Hydril Rubber Opns, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-474-3144 has 1 manufacturer part number on file: C05-0150C276 (Hydril Rubber Opns).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-474-6796, 5310-01-475-0752, 4730-01-475-2252. Verify interchangeability with system specifications before substitution.
Key specifications for C05-0150C276: Removable Piston: NOT PROVIDED; Overall Length: 24.060 INCHES NOMINAL IN; Overall Width: 6.600 INCHES NOMINAL IN; Threaded Direct Pressure Connection: NOT PROVIDED. 2 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.