The Lightblock, cataloged under National Stock Number 6610-00-574-5775, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Lightblock |
| FSC / FSG | 6610 — No Item Name Available (FSG 66) |
| Manufacturers | Master Dynamics Corp (CAGE 22921); Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (CAGE 50027); Symbolic Displays, Inc (CAGE 19565) |
| Parameter | Value |
|---|---|
| NSN | 6610-00-574-5775 |
| Primary Part Number | 30346 |
| Item Name | Lightblock |
| FSC / FSG | 6610 / 66 — No Item Name Available |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1001-100-2 | Master Dynamics Corp (USA) |
| 30346-1 | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| 30346 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| 651315-1 | Symbolic Displays, Inc (USA) |
NSN 6610-00-574-5775 is a Lightblock, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 6610 (No Item Name Available). Status: active.
NSN 6610-00-574-5775 has 4 cross-referenced part numbers: 1001-100-2 (Master Dynamics Corp), 30346-1 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems), 30346 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems), 651315-1 (Symbolic Displays, Inc).
There are 7 known substitutes for 6610-00-574-5775: 2530-00-383-9989, 1650-00-386-3916, 6150-00-395-2865 and 4 more. Verify interchangeability with system specifications before substitution.