The Hart Interface Mode, cataloged under National Stock Number 6625-01-643-4422, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rosemount Inc Dba Fisher Rosemount Service and Support. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-643-4422 |
| Primary Part Number | 0268A D 9 E I5 |
| Item Name | Hart Interface Mode |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Rosemount Inc Dba Fisher Rosemount Service and Support |
| Status | ACTIVE |
| Storage Temp Range | -20.0 TO 70.0 CELSIUS DEGC |
| Functional Description | COMMUNICATE WITH EACH INSTRUCTMENT IN THIS FAMILY INCLUDING:LEVELDENSITY,MASS FLOW,ANALYTICAL PRESSURE,TEMPERATURE,AND MAGNETIC FLOWMETER TRANSMITTERS |
| Material | PLASTIC |
| Unpackaged Unit Weight | 2.0 POUNDS LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0268A D 9 E I5 PRIMARY | Rosemount Inc Dba Fisher Rosemount Service and Support (USA) |
| 0268A D 9 E I5 | Emerson Process Management SAS (FRA) |
NSN 6625-01-643-4422 is a Hart Interface Mode, manufactured by Rosemount Inc Dba Fisher Rosemount Service and Support, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-643-4422 has 2 manufacturer part numbers on file: 0268A D 9 E I5 (Rosemount Inc Dba Fisher Rosemount Service and Support), 0268A D 9 E I5 (Emerson Process Management SAS).
Key specifications for 0268A D 9 E I5: Storage Temp Range: -20.0 TO 70.0 CELSIUS DEGC; Special Features: THE MODEL 268 IS POWERED DOWN,SO LONG AS A CHARDED BATTERY PACK IS INSTALLED;POWER SUPPLY: FIVE AA1.5V BATTERIES.(RECHARGEABLE NICKEL-CADMIUM BATTERY PACK OPTIONAL);OPERATING LIMITS: 0 TO 50 DEGREE CELSIUS;HUMIDITY LIMITS: 0-95 PERCENT RELATIVE HUMIDITY UNDER NONCONDENSING CONDITIONS BELOW 40 DEGREE CELSIUS; 4 LINE LIGUID CRYSTAL DISPLAY WITH 20-CHARACTER LINE WIDTH;KEYBOARD: COMPLETE ALPHANUMERIC KEYBOARD, SIX DEDICATED FUNCTION KEYS AND FOUR SOFTWARE-DEFINED KEYS. V; Functional Description: COMMUNICATE WITH EACH INSTRUCTMENT IN THIS FAMILY INCLUDING:LEVELDENSITY,MASS FLOW,ANALYTICAL PRESSURE,TEMPERATURE,AND MAGNETIC FLOWMETER TRANSMITTERS; Part Name Assigned by Controlling Agency: SMART FAMILY COMMUNICATION INTERFACE. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.