The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-00-057-2776, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Stewart-Warner Corporation. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6680-00-057-2776 |
| Primary Part Number | 551AMC |
| Item Name | Tachometer,mechanical,fixed Moun |
| FSC / FSG | 6680 / 66 — No Item Name Available |
| Manufacturer | Stewart-Warner Corporation |
| Status | CANCELLED |
| Scale Measurement Range | -800.0 TO 3000.0 |
| Overall Diameter | 2.843 INCHES NOMINAL IN |
| Dial Background Color | BLACK |
| Unit Type | CHRONOMETRIC |
| Unable to Decode | UNABLE TO DECODE |
| Dial Quantity | 1 |
| Graduation Unit | 1.0 HOURS OPERATED |
| Totalizing Mechanism | PROVIDED |
| Operating Range | +0.0 TO 4500.0 REVOLUTIONS PER MINUTE |
| Pointer Movement Direction | CLOCKWISE |
| Totalizing Mechanism Calibration | ENGINE REVOLUTIONS |
| Material | STEEL CASE |
| Major Graduation Color | WHITE |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Ahead-Astern Semaphore | NOT PROVIDED |
| Dial Illumination | NOT PROVIDED |
| Scale Quantity | 1 |
| Minor Graduation Color | WHITE |
| Drive Connection Type | FLEXIBLE |
| Shaft Rotation Direction | CLOCKWISE |
| Pointer Color | WHITE |
| Pointer Quantity | 1 |
| Scale Smallest Increment | 100.0 REVOLUTIONS PER MINUTE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 567ABL | Stewart-Warner Corporation (USA) |
| 56B23624-1 | Standard Mfg Co Inc (USA) |
| 567ABN | Stewart-Warner Corporation (USA) |
| 105-3264 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| 56B23624-1 | Gse Production and Support Llc Dba Gse Spares (USA) |
| 56B23624-1 | San Antonio Air Logistics Center (USA) |
| 551AMC PRIMARY | Stewart-Warner Corporation (USA) |
NSN 6680-00-057-2776 is a Tachometer,mechanical,fixed Moun, manufactured by Stewart-Warner Corporation, classified under FSC 6680 (No Item Name Available). Status: cancelled.
NSN 6680-00-057-2776 has 7 cross-referenced part numbers: 567ABL (Stewart-Warner Corporation), 56B23624-1 (Standard Mfg Co Inc), 567ABN (Stewart-Warner Corporation), 105-3264 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 56B23624-1 (Gse Production and Support Llc Dba Gse Spares) and 2 more.
There is 1 known substitute for 6680-00-057-2776: 6680-00-514-4094. Verify interchangeability with system specifications before substitution.
Key specifications for 551AMC: Overall Depth: 2.656 INCHES NOMINAL IN; Scale Measurement Range: -800.0 TO 3000.0; Overall Diameter: 2.843 INCHES NOMINAL IN; Dial Background Color: BLACK. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 6680-00-057-2776 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.