The Transmissometer Set, cataloged under National Stock Number 6660-01-369-5857, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Belfort Instrument Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6660-01-369-5857 |
| Primary Part Number | 32310 |
| Item Name | Transmissometer Set |
| FSC / FSG | 6660 / 66 — No Item Name Available |
| Manufacturer | Belfort Instrument Company |
| Status | ACTIVE |
| Functional Description | VISIBILITY SENSOR IS CAPABLE OF PROVIDING AN EXTINCTION COEFFICIENT EQUIVALENT TO VISIBILITIES UP TO, AND INCLUDING, 10 MILES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 32310 PRIMARY | Belfort Instrument Company (USA) |
| 62828-90111-1 | Textron Systems Corporation Dba Textron Systems Corp (USA) |
NSN 6660-01-369-5857 is a Transmissometer Set, manufactured by Belfort Instrument Company, classified under FSC 6660 (No Item Name Available). Status: active.
NSN 6660-01-369-5857 has 2 cross-referenced part numbers: 32310 (Belfort Instrument Company), 62828-90111-1 (Textron Systems Corporation Dba Textron Systems Corp).
There are 9 known substitutes for 6660-01-369-5857: 5307-00-359-1260, 4820-01-137-5806, 6510-01-278-9421 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 32310: End Item Identification: AUTOMATED SURFACE OBSERVATION SYSTEM (AS0S),NHA VISIBILITY SENSOR; Functional Description: VISIBILITY SENSOR IS CAPABLE OF PROVIDING AN EXTINCTION COEFFICIENT EQUIVALENT TO VISIBILITIES UP TO, AND INCLUDING, 10 MILES; Special Features: DETECTS TRANSMITTER XENON LIGHT AFTER IT IS SCATTERED BY ATMOSPHERE; DETECTED VIA PIN PHOTODIODE MOUNTED IN RECEIVER CANNISTER; C/O ALUMINUM CYLINDER CANNISTER AND CAP; ELECTRONICS AND WIRING ARE IN CANNISTER. 3 total characteristics are documented in the Federal Logistics Information System.