The Speedometer, cataloged under National Stock Number 6680-01-503-6544, 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 Crane Carrier Company, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-503-6544 |
| Primary Part Number | A139F-20 |
| Item Name | Speedometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| Head Type | ELECTRICAL |
| Indicator Type | NEEDLE |
| High Headlight Beam Indicator | NOT PROVIDED |
| Case Overall Diameter | 3.340 INCHES NOMINAL IN |
| Voltage in Volts | 12.0 |
| Illuminative Method | INTERNAL LAMP |
| Trip Odometer Range | +0.0 TO 9999.9 MILES |
| Odometer Total Range | +0.0 TO 999999.9 MILES |
| Trip Odometer | PROVIDED |
| Bezel Overall Diameter | 3.770 INCHES NOMINAL IN |
| Speed Indicator Range | +0.0 TO 85.0 MILES PER HOUR |
| Case Overall Depth | 3.710 INCHES NOMINAL IN |
| 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 |
|---|---|
| A139F-20 PRIMARY | Crane Carrier Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 00049735 | 5/9 Secondary reference Crane Carrier Company, Llc |
| 139F20 | 5/9 Secondary reference Crane Carrier Company, Llc |
NSN 6680-01-503-6544 is a Speedometer, manufactured by Crane Carrier Company, Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-503-6544 has 1 manufacturer part number on file: A139F-20 (Crane Carrier Company, Llc).
Key specifications for A139F-20: Head Type: ELECTRICAL; Indicator Type: NEEDLE; High Headlight Beam Indicator: NOT PROVIDED; Case Overall Diameter: 3.340 INCHES NOMINAL IN. 12 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.