The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-658-9546, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Coffin Turbo Pump Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-658-9546 |
| Primary Part Number | 19958-1 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Coffin Turbo Pump Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 19958-1 PRIMARY | Coffin Turbo Pump Inc (USA) |
| Reference | Meaning |
|---|---|
| S6227-A2-MMC-010 ITEM NO X790 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| S6227-A2-MMC-010 ITEM NO X791 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4320-01-658-9546 is a Seal Assembly,shaft,spring Loade, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-658-9546 has 1 manufacturer part number on file: 19958-1 (Coffin Turbo Pump Inc).
Key specifications for 19958-1: Part Name Assigned by Controlling Agency: SEAL ASSEMBLY, SHAFT; End Item Identification: PUMP, TURBO. 0 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.