The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-245-3131, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-245-3131 |
| Primary Part Number | 190988-1 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Input Impedance Rating in Ohms | 50.0 |
| Supplementary Features | OPERATING TEMPERATURE RANGE -18 TO +65 DEGREES C; WAVE GUIDE FLANGES EQUIVALENT TO UG585A/U; COAXIAL CONNECTORS UG1052/UDR EQUIVALENT; OPERATING ALTITUDE SEA LEVEL TO 10,000FEET FT |
| Radio Frequency Rating | 1020.0 MEGAHERTZ MINIMUM AND 2900.0 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | THREE MOUNTING BRACKETS; TWO MOUNTED 30 DEGREES FROM CENTER LINE OF UNIT; ONE MOUNTED ON CENTER LINE; BRACKETS ARE SLOTED 0.470IN WIDE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 190988-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5985-01-245-3131 is a Coupler,rotary,radio Frequency, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-245-3131 has 1 manufacturer part number on file: 190988-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for 190988-1: Input Impedance Rating in Ohms: 50.0; Supplementary Features: OPERATING TEMPERATURE RANGE -18 TO +65 DEGREES C; WAVE GUIDE FLANGES EQUIVALENT TO UG585A/U; COAXIAL CONNECTORS UG1052/UDR EQUIVALENT; OPERATING ALTITUDE SEA LEVEL TO 10,000FEET FT; Radio Frequency Rating: 1020.0 MEGAHERTZ MINIMUM AND 2900.0 MEGAHERTZ MAXIMUM; Overall Length: 43.250 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-245-3131 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.