The Cover, cataloged under National Stock Number 2040-01-101-5864, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-101-5864 |
| Primary Part Number | 501-4675662 ITEM 9 |
| Item Name | Cover |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 501-4675662 ITEM 9 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1662-014 PC4 | 5/9 Secondary reference Dynatek-Technology Inc |
| 501-4675662 ITEM 4 | 5/2 Secondary reference U.S. Government activity |
| 4675662-0004 | 3/2 Design control — primary reference U.S. Government activity |
| 1662-014 PC4 | 5/9 Secondary reference Aluf Industries Inc |
NSN 2040-01-101-5864 is a Cover, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-101-5864 has 1 manufacturer part number on file: 501-4675662 ITEM 9 (Naval Sea Systems Command).
Key specifications for 501-4675662 ITEM 9: End Item Identification: PERISCOPE,MAST ASSY. 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.