The Filter,light,optical Instrument, cataloged under National Stock Number 6650-01-545-5672, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sun Dial & Panel Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-545-5672 |
| Primary Part Number | 4-444C |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 6650 / 66 — No Item Name Available |
| Manufacturer | Sun Dial & Panel Corporation |
| Status | ACTIVE |
| Viewing Surface Overall Thickness | 0.095 INCHES NOMINAL IN |
| Viewing Surface Overall Diameter | 0.934 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4-444C | Sun Dial & Panel Corporation (USA) |
| 4-4446 | Sun Dial & Panel Corporation (USA) |
| 3705AS134-3 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 6650-01-545-5672 is a Filter,light,optical Instrument, manufactured by Sun Dial & Panel Corporation, classified under FSC 6650 (No Item Name Available). Status: active.
NSN 6650-01-545-5672 has 3 cross-referenced part numbers: 4-444C (Sun Dial & Panel Corporation), 4-4446 (Sun Dial & Panel Corporation), 3705AS134-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
There are 7 known substitutes for 6650-01-545-5672: 5325-00-421-5029, 5342-00-740-2155, 3020-00-923-9143 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4-444C: End Item Identification: EA-6B;FILTER, OPTICAL, NVIS GREEN B; Special Features: NVIS GREEN; Viewing Surface Overall Thickness: 0.095 INCHES NOMINAL IN; Viewing Surface Overall Diameter: 0.934 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.