The Meter,fluid Flow Indicating,diff, cataloged under National Stock Number 6680-01-019-0682, 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 Rcm Industries Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-019-0682 |
| Primary Part Number | 1/2-73-R-2-FN |
| Item Name | Meter,fluid Flow Indicating,diff |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Rcm Industries Inc |
| Status | ACTIVE |
| Pressure Type | ANY ACCEPTABLE |
| Outlet Connection Size | 3/4 IN. 16 THD UNF IN |
| Height | 5.250 INCHES NOMINAL IN |
| Case Shape | RECTANGULAR |
| Depth | 2.750 INCHES NOMINAL IN |
| Width | 4.062 INCHES NOMINAL IN |
| Material | ALUMINUM CASE |
| Inlet Connection Size | 3/4 IN. 16 THD UNF IN |
| Mounting Type | SURFACE |
| 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 |
|---|---|
| 1/2-73-R-2-FN PRIMARY | Rcm Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| AA2752 | 5/9 Secondary reference Rcm Industries Inc |
| 1-2IN-73-R-2-F | 5/1 Secondary reference Rcm Industries Inc |
| AA275Z | 5/9 Secondary reference Rcm Industries Inc |
NSN 6680-01-019-0682 is a Meter,fluid Flow Indicating,diff, manufactured by Rcm Industries Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-019-0682 has 1 manufacturer part number on file: 1/2-73-R-2-FN (Rcm Industries Inc).
Key specifications for 1/2-73-R-2-FN: Pressure Type: ANY ACCEPTABLE; Outlet Connection Size: 3/4 IN. 16 THD UNF IN; Height: 5.250 INCHES NOMINAL IN; Case Shape: RECTANGULAR. 9 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.