The Psychrometer, cataloged under National Stock Number 6685-01-663-1978, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Extech Instruments Corporation Dba Extech Data Systems Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-663-1978 |
| Primary Part Number | HT200 |
| Item Name | Psychrometer |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Extech Instruments Corporation Dba Extech Data Systems Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| HT200 PRIMARY | Extech Instruments Corporation Dba Extech Data Systems Div (USA) |
NSN 6685-01-663-1978 is a Psychrometer, manufactured by Extech Instruments Corporation Dba Extech Data Systems Div, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-01-663-1978 has 1 cross-referenced part number: HT200 (Extech Instruments Corporation Dba Extech Data Systems Div).
There are 2 known substitutes for 6685-01-663-1978: 9540-00-720-1332, 6635-01-573-5327. Verify interchangeability with system specifications before substitution.
Key specifications for HT200: Part Name Assigned by Controlling Agency: HEAT STRESS WBGT METER; Special Features: DIMENSIONS ARE 300 X 70 X 50MM; MM. 2 total characteristics are documented in the Federal Logistics Information System.