The Seat,ball Socket, cataloged under National Stock Number 1240-01-359-9016, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Bright Lights Usa, Inc Dba Blusa Defense Manufacturing. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,ball Socket |
| FSC / FSG | 1240 — Optical Sighting and Ranging Equipment (FSG 12) |
| Manufacturers | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (CAGE 0RMF7); Scandia Manufacturing Co., Inc. (CAGE 00997); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 1240-01-359-9016 |
| Primary Part Number | 522-6640215 ITEM 06SQ |
| Item Name | Seat,ball Socket |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 522-6640215 ITEM 06SQ | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 6640215-06SQ | Scandia Manufacturing Co., Inc. (USA) |
| 522 5489289 REV-ITEM 06SQ | Naval Sea Systems Command (USA) |
| 522 6640215 REV-ITEM 06SQ | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H8832406 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 5489289 ITEM 6 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 1240-01-359-9016 is a Seat,ball Socket, manufactured by Bright Lights Usa, Inc Dba Blusa Defense Manufacturing, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-359-9016 has 4 manufacturer part numbers on file: 522-6640215 ITEM 06SQ (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 6640215-06SQ (Scandia Manufacturing Co., Inc.), 522 5489289 REV-ITEM 06SQ (Naval Sea Systems Command), 522 6640215 REV-ITEM 06SQ (Naval Sea Systems Command).
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 1240-01-359-9016 has DEMIL Code B. 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.