The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-00-634-9386, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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 | 6680-00-634-9386 |
| Primary Part Number | 551AMB-5 |
| Item Name | Tachometer,mechanical,fixed Moun |
| FSC / FSG | 6680 / 66 — No Item Name Available |
| Manufacturer | Stewart-Warner Corporation |
| Status | CANCELLED |
| Mounting Type | PANELPANEL |
| Dial Quantity | 11 |
| Scale Measurement Unit | REVOLUTIONS PER MINUTEREVOLUTIONS PER MINUTE |
| Drive Connection Type | FLEXIBLEFLEXIBLE |
| Graduation Unit | 1.0 HOURS OPERATED1.0 HOURS OPERATED |
| Mounting Feature Type | FLUSHFLUSH |
| Shaft Rotation Direction | COUNTERCLOCKWISECOUNTERCLOCKWISE |
| Unable to Decode | UNABLE TO DECODEUNABLE TO DECODE |
| Scale Quantity | 11 |
| Pointer Quantity | 11 |
| Case Shape | ROUNDROUND |
| Unit Type | MAGNETICMAGNETIC |
| Ahead-Astern Semaphore | NOT PROVIDEDNOT PROVIDED |
| Dial Background Color | BLACKBLACK |
| Operating Range | +0.0 TO 4500.0 REVOLUTIONS PER MINUTE+0.0 TO 4500.0 REVOLUTIONS PER MINUTE |
| Totalizing Mechanism Calibration | HOURS OPERATEDHOURS OPERATED |
| Dial Illumination | NOT PROVIDEDNOT PROVIDED |
| Scale Smallest Increment | 100.0 REVOLUTIONS PER MINUTE100.0 REVOLUTIONS PER MINUTE |
| Minor Graduation Color | WHITEWHITE |
| Pointer Finish | FLUORESCENTFLUORESCENT |
| Criticality Code Justification | FEAT AND FEAT AND AKCTAKCT |
| Major Graduation Color | WHITE, LUMINOUSWHITE, LUMINOUS |
| Overall Diameter | 2.844 INCHES NOMINAL2.844 INCHES NOMINAL IN |
| Material | STEEL CASESTEEL CASE |
| Scale Finish | FLUORESCENTFLUORESCENT |
| Totalizing Mechanism | PROVIDEDPROVIDED |
| Pointer Color | WHITEWHITE |
| Scale Measurement Range | +0.0 TO 4000.0+0.0 TO 4000.0 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 6680-00-634-9386 is a Tachometer,mechanical,fixed Moun, manufactured by Stewart-Warner Corporation, classified under FSC 6680 (No Item Name Available). Status: cancelled.
NSN 6680-00-634-9386 has 5 cross-referenced part numbers: RS50G (Stewart-Warner Corporation), RS50G (Wisconsin Motors, Llc), 551AMB (Stewart-Warner Corporation), 551AMB-5 (Stewart-Warner Corporation), 567AS2200 (Stewart-Warner Corporation).
There is 1 known substitute for 6680-00-634-9386: 6680-00-530-4531. Verify interchangeability with system specifications before substitution.
Key specifications for 551AMB-5: Mounting Type: PANELPANEL; Dial Quantity: 11; Scale Measurement Unit: REVOLUTIONS PER MINUTEREVOLUTIONS PER MINUTE; Drive Connection Type: FLEXIBLEFLEXIBLE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6680-00-634-9386 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.