The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-281-9640, 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 Liquid Metronics Inc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 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 | 6680-01-281-9640 |
| Primary Part Number | FP-20 |
| Item Name | Meter,flow Rate Indicating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Liquid Metronics Inc |
| Status | ACTIVE |
| Scale Quantity | 1 |
| Inlet Connection Position for Which Designed | HORIZONTAL |
| Design Type | CASE |
| Integral Pulsation Dampener | NOT INCLUDED |
| Mounting Method | DIRECT LINE |
| Dial Scale Marking Range | +5.0 TO 160.0 |
| Inlet Connection Device Type | STATIONARY |
| Inlet Connection Size | 2.000 IN. NOM IN |
| Inlet Connection Type | THREADED |
| Alarm Signal | NOT INCLUDED |
| Outlet Connection Size | 2.000 IN. NOM IN |
| Outlet Connection Device Type | STATIONARY |
| Unit Type | MOUNTED |
| Construction | INCLOSED W/SIGHT WINDOW |
| Outlet Connection Position for Which Designed | HORIZONTAL |
| Meter Type | POINTER CONNECTED TO VANE |
| Cubic Measure | 1728.000 CUBIC INCHES |
| Integral Relief Valve | NOT INCLUDED |
| Base | NOT INCLUDED |
| Carrying Handle | NOT INCLUDED |
| Maximum Working Pressure | 175.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Integral Heat Source | NOT INCLUDED |
| Dial Scale Reference Pointer | NOT INCLUDED |
| Outlet Connection Type | THREADED |
| 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 |
|---|---|
| FP-20 PRIMARY | Liquid Metronics Inc (USA) |
NSN 6680-01-281-9640 is a Meter,flow Rate Indicating, manufactured by Liquid Metronics Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-281-9640 has 1 manufacturer part number on file: FP-20 (Liquid Metronics Inc).
Key specifications for FP-20: Scale Quantity: 1; Inlet Connection Position for Which Designed: HORIZONTAL; Design Type: CASE; Integral Pulsation Dampener: NOT INCLUDED. 24 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.