The Adapter,sight Unit, cataloged under National Stock Number 1290-01-646-2323, is classified within Federal Supply Class 1290 (Miscellaneous Fire Control Equipment) of the Fire Control Equipment group. The manufacturer of record is Harris Engineering, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Adapter,sight Unit |
| FSC / FSG | 1290 — Miscellaneous Fire Control Equipment (FSG 12) |
| Manufacturers | 9 Millimetri Srl (CAGE AK958); Harris Engineering, Inc (CAGE 57215) |
| Parameter | Value |
|---|---|
| NSN | 1290-01-646-2323 |
| Primary Part Number | RBA-1 |
| Item Name | Adapter,sight Unit |
| FSC / FSG | 1290 / 12 — Miscellaneous Fire Control Equipment |
| Manufacturer | Harris Engineering, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 1290-01-646-2323 is a Adapter,sight Unit, manufactured by Harris Engineering, Inc, classified under FSC 1290, Miscellaneous Fire Control Equipment. Status: active.
NSN 1290-01-646-2323 has 2 manufacturer part numbers on file: RBA-1 (9 Millimetri Srl), RBA-1 (Harris Engineering, Inc).
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 1290-01-646-2323 has DEMIL Code D. 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.