The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-00-913-2500, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-913-2500 |
| Primary Part Number | 83E306-1 |
| Item Name | Meter,flow Rate Indicating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Scale Quantity | 1 |
| Inlet Connection Position for Which Designed | VERTICAL |
| Spinning Float | NOT INCLUDED |
| Design Type | CASE |
| Integral Pulsation Dampener | NOT INCLUDED |
| Mounting Method | DIRECT LINE |
| Dial Scale Marking Range | +0.0 TO 125.0 |
| Guide Type | HOLLOW TAPERED ROD |
| Dial Scale Smallest Increment | 12.5 CC PER MIN |
| Inlet Connection Size | 1/4 IN. NPT IN |
| Inlet Connection Type | THREADED |
| Float Quantity | 1 |
| Alarm Signal | NOT INCLUDED |
| Scale Type | DIRECT CAPACITY READING |
| Outlet Connection Size | 1/4 IN. NPT IN |
| Outlet Connection Device Type | STATIONARY |
| Unit Type | MOUNTED |
| Construction | SIDE PLATE |
| Outlet Connection Position for Which Designed | HORIZONTAL |
| Meter Type | FLOAT |
| Float Type | GUIDED |
| Integral Relief Valve | NOT INCLUDED |
| Base | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE |
| Carrying Handle | NOT INCLUDED |
| Maximum Working Pressure | 550.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | GLASS FLOAT |
| Material | GLASS TUBE |
| 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 |
|---|---|
| 83E306-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 83E306 | 5/1 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 6680-00-913-2500 is a Meter,flow Rate Indicating, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-913-2500 has 1 manufacturer part number on file: 83E306-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 83E306-1: Scale Quantity: 1; Inlet Connection Position for Which Designed: VERTICAL; Spinning Float: NOT INCLUDED; Design Type: CASE. 28 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.