The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-012-6645, 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 Ametek Inc Schutte and Koerting Div. Government technical data includes 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-012-6645 |
| Primary Part Number | SK FORM 294 |
| Item Name | Meter,flow Rate Indicating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ametek Inc Schutte and Koerting Div |
| 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 | SURFACE PANEL |
| Guide Type | SOLID ROD |
| Inlet Connection Type | THREADED |
| Float Quantity | 1 |
| Alarm Signal | NOT INCLUDED |
| Scale Type | DIRECT CAPACITY READING |
| Unit Type | MOUNTED |
| Construction | INCLOSED W/SIGHT WINDOW |
| Outlet Connection Position for Which Designed | VERTICAL |
| Meter Type | FLOAT |
| Float Type | GUIDED |
| Integral Relief Valve | NOT INCLUDED |
| Base | NOT INCLUDED |
| Carrying Handle | NOT INCLUDED |
| Material | GLASS TUBE |
| Material | STEEL CORROSION RESISTING FLOAT |
| Integral Heat Source | NOT INCLUDED |
| Outlet Connection Type | THREADED |
| Reference Number Differentiating Characteristics | ORDER NO. Q75-50095M AND DWG NO. 62-S-253-M |
| Metering Tube Quantity | 1 |
| 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 |
|---|---|
| SK FORM 294 | Ametek Inc Schutte and Koerting Div (USA) |
| Reference | Meaning |
|---|---|
| 20-4101 | 5/9 Secondary reference Ametek Inc Schutte and Koerting Div |
| 20-5101-10 | 3/1 Design control — primary reference Danaher Corporation Dba Mccrometer Division |
| 72-G-001-M | 5/9 Secondary reference Ametek Inc Schutte and Koerting Div |
NSN 6680-01-012-6645 is a Meter,flow Rate Indicating, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-012-6645 has 1 manufacturer part number on file: SK FORM 294 (Ametek Inc Schutte and Koerting Div).
2 possible matches (shared part number, not a government interchangeability claim): 1240-01-581-7528, 7690-01-597-1324. Verify interchangeability with system specifications before substitution.
Key specifications for SK FORM 294: Scale Quantity: 1; Inlet Connection Position for Which Designed: VERTICAL; Spinning Float: NOT INCLUDED; Design Type: CASE. 25 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.