NSN 5985-01-274-3991
Part Details | VARIABLE ATTENUATOR
5985-01-274-3991 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).
Alternate Parts: PDATT4003, P-DATT-4003, 56164441, 5616444-1, PDATT4003, P-DATT-4003, 5985-01-274-3991, 01-274-3991, 5985012743991, 012743991
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | MAR 08, 1988 | 01-274-3991 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
IRREGULAR
Cross Reference | NSN 5985-01-274-3991
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P-DATT-4003 | 0N8W8 | CRANE ELECTRONICS, INC.DBA SIGNAL TECHNOLOGY |
| 5616444-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| P-DATT-4003 | 32252 | SIGNAL TECHNOLOGY CORP |
Technical Data | NSN 5985-01-274-3991
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | PRINTED CIRCUIT BOARD |
| FREQUENCY RANGE | 55.000 MEGAHERTZ MINIMUM AND 65.000 MEGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT AND 50.0 OUTPUT |
| VOLTAGE STANDING WAVE RATIO | B1.00$$B1.02$$B1.30$$B1.40 |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 4.5 |
| OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P15.5 |
| SEGMENT ATTENUATION ACCURACY IN DECIBELS | M0.25/P0.25 |
| ATTENUATION VARIATION METHOD | STEPPED |
| BODY STYLE | IRREGULAR |
| OVERALL LENGTH | 5.500 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.000 INCHES NOMINAL |
| OVERALL WIDTH | 1.250 INCHES MAXIMUM |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 ELECTRONIC, VOLTAGE CONTROLLED |
| TERMINAL TYPE AND QUANTITY | 38 PIN |
| MOUNTING FACILITY TYPE AND QUANTITY | 38 TERMINAL |
| SPECIAL FEATURES | EXTERNAL SURFACES TO BE TIN PLATED; ALL SURFACES EXCEPT BOTTOM AND PINS TO BE FINISHED WITH SEMI-GLOSS ENAMEL; BOTTOM AND PINS TO BE GOLD PLATED |
| BODY MATERIAL | BRASS |
| PRECIOUS MATERIAL | GOLD |
| PRECIOUS MATERIAL AND LOCATION | EXTERNAL SURFACES GOLD |
| FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |