The Barrel,desurger, cataloged under National Stock Number 4320-01-084-7147, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Wellman Dynamics Machining and Assembly, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-084-7147 |
| Primary Part Number | 0840012-7 |
| Item Name | Barrel,desurger |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Wellman Dynamics Machining and Assembly, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,MERCURY FREE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0840012-7 | Wellman Dynamics Machining and Assembly, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8-60001ITEM6 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
| 8-60001ITEM6 | 5/9 Secondary reference U.S. Government activity |
| 0840012-7 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
| 0840012-7 | 3/2 Design control — primary reference U.S. Government activity |
| 8-40012-7 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
| 8-40012-7 | 5/9 Secondary reference U.S. Government activity |
| 4101777 | 5/9 Secondary reference Victor Fluid Power Inc |
NSN 4320-01-084-7147 is a Barrel,desurger, manufactured by Wellman Dynamics Machining and Assembly, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-084-7147 has 1 manufacturer part number on file: 0840012-7 (Wellman Dynamics Machining and Assembly, Inc.).
Key specifications for 0840012-7: General Characteristics Item Description: STAINLESS STEEL,MERCURY FREE. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.