The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-357-4518, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-357-4518 |
| Primary Part Number | 6397389-37 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | COMPENENTS TITANIUM ALLOY; ROTATING FACE TUNGSTEN CARBIDE,STATIONARY FACE 5 CARBON; SPRINGS INCONEL 625;O-RINGS FLUOROCARBON |
| 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 |
|---|---|
| 6397389 PIECE 37 | Naval Sea Systems Command (USA) |
| 6397389-37 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 6397389-37 | Naval Sea Systems Command (USA) |
NSN 4320-01-357-4518 is a Seal Assembly,shaft,spring Loade, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-357-4518 has 3 manufacturer part numbers on file: 6397389 PIECE 37 (Naval Sea Systems Command), 6397389-37 (Circor Naval Solutions Llc Dba Warren Pumps), 6397389-37 (Naval Sea Systems Command).
Key specifications for 6397389-37: General Characteristics Item Description: COMPENENTS TITANIUM ALLOY; ROTATING FACE TUNGSTEN CARBIDE,STATIONARY FACE 5 CARBON; SPRINGS INCONEL 625;O-RINGS FLUOROCARBON. 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.