The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-516-8322, 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 Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-516-8322 |
| Primary Part Number | WM-3081-16IN625 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
| Status | ACTIVE |
| Threaded Direct Pressure Connection | NOT PROVIDED |
| Thread Size | 1 5/8-12 |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5793199 FIND 367 | Naval Sea Systems Command (USA) |
| WM-3081-16IN625 PRIMARY | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd (USA) |
| Reference | Meaning |
|---|---|
| 5793199 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 6685-01-516-8322 is a Dampener,fluid Pressure, manufactured by Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-516-8322 has 2 manufacturer part numbers on file: 5793199 FIND 367 (Naval Sea Systems Command), WM-3081-16IN625 (Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-517-8112, 5365-01-523-7721. Verify interchangeability with system specifications before substitution.
Key specifications for WM-3081-16IN625: Overall Length: 8.130 INCHES NOMINAL IN; Threaded Direct Pressure Connection: NOT PROVIDED; Thread Size: 1 5/8-12; Special Features: SUPPRESSOR IS BI-DIRECTIONAL; EITHER END CAN BE USED FOR INLET OR OUTLET. 3 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.
NSN 6685-01-516-8322 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.