The Docking Head Air, cataloged under National Stock Number 2090-01-640-8122, is classified within Federal Supply Class 2090 (Miscellaneous Ship and Marine Equipment) of the Ship and Marine Equipment group. The manufacturer of record is Hii Unmanned Systems, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2090-01-640-8122 |
| Primary Part Number | 21-201 |
| Item Name | Docking Head Air |
| FSC / FSG | 2090 / 20 — Miscellaneous Ship and Marine Equipment |
| Manufacturer | Hii Unmanned Systems, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21-201 PRIMARY | Hii Unmanned Systems, Inc (USA) |
NSN 2090-01-640-8122 is a Docking Head Air, manufactured by Hii Unmanned Systems, Inc, classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
NSN 2090-01-640-8122 has 1 manufacturer part number on file: 21-201 (Hii Unmanned Systems, Inc).
Key specifications for 21-201: Part Name Assigned by Controlling Agency: DOCKING HEAD AIR SP; End Item Identification: AN/WSQ-42. 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.
NSN 2090-01-640-8122 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.