The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-101-6477, 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 Operating & Maintenance Specialties Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-101-6477 |
| Primary Part Number | 47SS-2 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Operating & Maintenance Specialties Inc |
| Status | ACTIVE |
| Removable Piston | NOT PROVIDED |
| Operating Pressure Range | +0.0 TO 15000.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | QQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Location | EXTERNAL AND INTERNAL |
| Threaded Direct Pressure Connection | PROVIDED |
| Thread Size | 1/8-27 |
| Screw Thread Series Designator | NPT |
| Material | STEEL COMP 303 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 47SS-2 PRIMARY | Operating & Maintenance Specialties Inc (USA) |
| Reference | Meaning |
|---|---|
| 147708 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 6685-01-101-6477 is a Dampener,fluid Pressure, manufactured by Operating & Maintenance Specialties Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-101-6477 has 1 manufacturer part number on file: 47SS-2 (Operating & Maintenance Specialties Inc).
Key specifications for 47SS-2: Removable Piston: NOT PROVIDED; Operating Pressure Range: +0.0 TO 15000.0 POUNDS PER SQUARE INCH LBS; Material Document and Classification: QQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.500 INCHES NOMINAL IN. 9 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.