The Bearing Block,bowpl, cataloged under National Stock Number 2040-01-452-5624, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-452-5624 |
| Primary Part Number | 6390857-01 |
| Item Name | Bearing Block,bowpl |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 6390857-01 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 6390857-01 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6390857 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2040-01-452-5624 is a Bearing Block,bowpl, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-452-5624 has 2 manufacturer part numbers on file: 6390857-01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6390857-01 (Naval Sea Systems Command).
Key specifications for 6390857-01: Material: STEEL CORROSION RESISTING. 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.