The Current-Voltage Standard, cataloged under National Stock Number 6625-01-388-8181, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Krohn-Hite Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-388-8181 |
| Primary Part Number | 520A |
| Item Name | Current-Voltage Standard |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Krohn-Hite Corporation |
| Status | ACTIVE |
| Overall Diameter | 21.000 INCHES NOMINAL IN |
| Electromotive Force Production Method | ELECTRONIC |
| Overall Diameter | 21.000 INCHES NOMINAL IN |
| Electromotive Force Production Method | ELECTRONIC |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-390-3843 (520A) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 520A | Krohn-Hite Corporation (USA) |
NSN 6625-01-388-8181 is a Current-Voltage Standard, manufactured by Krohn-Hite Corporation, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-01-388-8181 has 1 cross-referenced part number: 520A (Krohn-Hite Corporation).
There are 8 known substitutes for 6625-01-388-8181: 6625-00-390-3843, 6625-01-091-1148, 6625-01-254-3059 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 520A: Overall Diameter: 21.000 INCHES NOMINAL IN; Overall Width: 19.000 INCHES NOMINAL IN; Electromotive Force Production Method: ELECTRONIC; Overall Height: 3.500 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.