The Adapter,duct, cataloged under National Stock Number 2040-01-520-9113, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-520-9113 |
| Item Name | Adapter,duct |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Overall Diameter | 6.500 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 121451-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-01-520-9113 is a Adapter,duct, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-01-520-9113: Overall Diameter: 6.500 INCHES NOMINAL IN; Special Features: CONNECTS DUCT TO TURBINE HOUSING; 6.5 INCH O.D., 5.125 INCH I.D., FLANGE 1.125 INCH WIDE IN; Surface Treatment: ANODIZE; Part Name Assigned by Controlling Agency: TUBE,WELDMENT. 3 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.