NSN 6680-01-209-0021
Part Details | ROTATING COUNTER
6680-01-209-0021 An instrument actuated by means of a rotating shaft and designed to register and total numerically in units proportional to one complete revolution of its shaft. It may have a fixed type mounting or designed to be hand held. See also COUNTER, ELECTRICAL.
Alternate Parts: DC41281, DC4128-1, DC4128, 27941721, 2794172-1, 40120001, 4012-000-1, 6680-01-209-0021, 01-209-0021, 6680012090021, 012090021
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | MAY 21, 1985 | 01-209-0021 | 30762 ( COUNTER, ROTATING ) |
REFERENCE DRAWINGS & PICTURES
UNENCLOSED CYLINDRICAL
Cross Reference | NSN 6680-01-209-0021
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| DC4128-1 | 99479 | BOWMAR, LLC |
| DC4128 | 99479 | BOWMAR, LLC |
| 2794172-1 | 55972 | HONEYWELL INTL INCDEFENSE AVIONICS SYSTEMS |
| 4012-000-1 | 19478 | MELLAND GEAR & INSTRUMENT OFHAUPPAUGE, INC |
Technical Data | NSN 6680-01-209-0021
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | UNENCLOSED CYLINDRICAL |
| OVERALL LENGTH | 3.906 INCHES MINIMUM AND 3.931 INCHES MAXIMUM |
| SHAFT DIAMETER | 0.124 INCHES NOMINAL |
| SHAFT LENGTH | 0.230 INCHES NOMINAL |
| OVERALL DIAMETER | 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM |
| REGISTER QUANTITY | 2 |
| NUMERAL DISPLAY METHOD | DRUM |
| MOUNTING FACILITY TYPE AND QUANTITY | SLOT |
| SPECIAL FEATURES | DIRECTION OF ROTATION OF INPUT SHAFT TO INCREASE COUNT; DRIVE: ONE CCW REVOLUTION OF INPUT SHAFT EQUALS A COUNT INCREASE OF 10; BACKGROUND OF TAPE DULL BLACK COLOR 37038 PER FED-STD-595; MATERIAL AND FINISH: FRAME ALUMINUM ALLOY BLACK ANODIZED, SHAFTS AND TRANSFER GEARING STAINLESS STEEL; BALL BEARINGS ON ALL SHAFTS; LUBRICATION: GE-F50 VERSILUBE IN BALL BEARINGS; TORQUE 0.5 IN. OZ. MAX. TO START COUNTER AT ANY POSITION OR DRIVE COUNTER AT ANY SPEED LESS THAN 600 RPM WITHIN TEMP RANGE OF -55 DEG C TO +125 DEG C; COUNTER INTENDED FOR USE IN AN INSTRUMENT WHICH IS WEDGE LIGHTED WHITE PER MIL-L-27160; END PLAY 0.003 MAX INPUT SHAFT |
| END ITEM IDENTIFICATION | 6605-01-183-2220 HSI, B-1B ACFT |
| SUPPLEMENTARY FEATURES | MANUFACTURERS NAME: COUNTER,COURSE; TAPE ANGLE COUNTER |