The Dog,door,marine, cataloged under National Stock Number 2040-01-528-1042, 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. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-528-1042 |
| Primary Part Number | 7550138-19 |
| Item Name | Dog,door,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Type | ROTARY |
| Criticality Code Justification | FEAT |
| Material | COPPER ALLOY AND ALUMINUM ALLOY |
| Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7550138-19 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7550136-23 | 5/1 Secondary reference Naval Sea Systems Command |
| G545-4105-19 | 5/2 Secondary reference U.S. Government activity |
| G545-4103-23 | 5/1 Secondary reference U.S. Government activity |
NSN 2040-01-528-1042 is a Dog,door,marine, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-528-1042 has 1 manufacturer part number on file: 7550138-19 (Naval Sea Systems Command).
Key specifications for 7550138-19: Overall Height: 0.750 INCHES NOMINAL IN; Design Type: ROTARY; Criticality Code Justification: FEAT; Special Features: MILITARY CRITICAL; 2.0 INCH DIAMETER; HALF INCH SQUARE SHANK CENTER; OUTER EDGE ECCENTRIC WITH GRIPPING GROOVE; MATERIAL NICHOL, COPPER, ALUMINUM ALLOY IN. 4 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.