The Head,tank, cataloged under National Stock Number 2090-01-459-1051, is classified within Federal Supply Class 2090 (Miscellaneous Ship and Marine Equipment) of the Ship and Marine Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2090-01-459-1051 |
| Item Name | Head,tank |
| FSC / FSG | 2090 / 20 — Miscellaneous Ship and Marine Equipment |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 87692-1805 ITEM 43 | 3/2 Design control — primary reference U.S. Government activity |
| 711-4678207 ITE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4678207 ITEM 43 | 5/2 Secondary reference U.S. Government activity |
| 87692-1805 | D/9 Drawing number reference only U.S. Government activity |
NSN 2090-01-459-1051 is a Head,tank, classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
Key specifications for 2090-01-459-1051: Overall Length: 9.470 INCHES NOMINAL IN; Overall Width: 2.010 INCHES NOMINAL IN; End Item Identification: SHIP,OHIO CLASS SSN (TRIDENT); Material: STEEL. 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.