The Pump,rotary, cataloged under National Stock Number 4320-01-306-6320, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-306-6320 |
| Primary Part Number | 6558186 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Pumping Element Operating Position | HORIZONTAL |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Operation Method | POWERED |
| 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 |
|---|---|
| 6558186 PRIMARY | Naval Sea Systems Command (USA) |
| 938687 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 938687 PRIMARY | Naval Sea Systems Command (USA) |
| DS-938687 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| DS-938687 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-01-306-6320 is a Pump,rotary, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-306-6320 has 4 manufacturer part numbers on file: 6558186 (Naval Sea Systems Command), 938687 (Eaton Aerospace, Llc Dba Jackson South), 938687 (Naval Sea Systems Command), DS-938687 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 6540-01-727-6134. Verify interchangeability with system specifications before substitution.
Key specifications for 6558186: Pumping Element Operating Position: HORIZONTAL; Media for Which Designed: HYDROCARBON FUELS AND OILS; Operation Method: POWERED. 3 specifications are 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.