The Mass Flow Controlle, cataloged under National Stock Number 6680-01-564-8143, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-564-8143 |
| Primary Part Number | HFC-203 |
| Item Name | Mass Flow Controlle |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HFC-203 PRIMARY | Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments (USA) |
NSN 6680-01-564-8143 is a Mass Flow Controlle, manufactured by Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-564-8143 has 1 manufacturer part number on file: HFC-203 (Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments).
Key specifications for HFC-203: Overall Height: 5.240 INCHES NOMINAL IN; Overall Length: 7.800 INCHES NOMINAL IN; Overall Width: 2.000 INCHES NOMINAL IN; Special Features: CIRCUIT BOARD: STANDARD; OUTPUT: 0-5 VOLTS; FITTINGS: 1/2 INCH SWAGELOK; O-RINGS: VITON; VALVE BONNET ASSEMBLY: STANDARD; VALVE SEAT: VITON/POLYTETRAFLUOROETHYLENE; WORKING PRESSURE: 500 PSIG; CALIBRATION TYPE: NIST 5 POINT; VALVE: NORMALLY CLOSED IN. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.