The Cover,plug, cataloged under National Stock Number 6610-00-544-5551, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Cover,plug |
| FSC / FSG | 6610 — No Item Name Available (FSG 66) |
| Manufacturers | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (CAGE 50027) |
| Parameter | Value |
|---|---|
| NSN | 6610-00-544-5551 |
| Primary Part Number | 21661 |
| Item Name | Cover,plug |
| 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 |
|---|---|
| 21661 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
NSN 6610-00-544-5551 is a Cover,plug, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 6610 (No Item Name Available). Status: active.
NSN 6610-00-544-5551 has 1 cross-referenced part number: 21661 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
There are 10 known substitutes for 6610-00-544-5551: 6130-00-092-5625, 4320-00-163-1071, 4720-00-447-3538 and 7 more. Verify interchangeability with system specifications before substitution.