The Rotary Joint,azimuth, cataloged under National Stock Number 5985-01-166-7301, 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 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 1 specification, 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 | 5985-01-166-7301 |
| Primary Part Number | 20-3506-B |
| Item Name | Rotary Joint,azimuth |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | ACTIVE |
| General Characteristics Item Description | C-BAND ROTARY JOINT AND SLIP RING ASSEMBLY MADE OF ALUMINUM 6061-T6; 27 SLIP RINGS WITH LEADS; SLIP RING CONNECTOR ON FACE; WAVEGUIDE SEGMENT WITH RECTANGULAR FLANGE CENTERED ON EACH END OF UNIT; WAVEGUIDE ON END OPPOSITE CONNECTOR IS FIXED AND REST OF UNIT ROTATES; LG FROM CENTERLINE OF WAVEGUIDES 8.499 IN. PORM 0.020; DIA OF FACE 7.50 IN.; POWER 75 W CW AND 125 KW PEAK POWER; VSWR 1.1 MAX; INSERTION LOSS 0.1 DB MAX; WORKING PRESSURE 3 PSIG; TORQUE 120 IN./OUNCES MAX W |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20-3506-B PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
NSN 5985-01-166-7301 is a Rotary Joint,azimuth, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-166-7301 has 1 manufacturer part number on file: 20-3506-B (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for 20-3506-B: General Characteristics Item Description: C-BAND ROTARY JOINT AND SLIP RING ASSEMBLY MADE OF ALUMINUM 6061-T6; 27 SLIP RINGS WITH LEADS; SLIP RING CONNECTOR ON FACE; WAVEGUIDE SEGMENT WITH RECTANGULAR FLANGE CENTERED ON EACH END OF UNIT; WAVEGUIDE ON END OPPOSITE CONNECTOR IS FIXED AND REST OF UNIT ROTATES; LG FROM CENTERLINE OF WAVEGUIDES 8.499 IN. PORM 0.020; DIA OF FACE 7.50 IN.; POWER 75 W CW AND 125 KW PEAK POWER; VSWR 1.1 MAX; INSERTION LOSS 0.1 DB MAX; WORKING PRESSURE 3 PSIG; TORQUE 120 IN./OUNCES MAX W. 1 specification is 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 5985-01-166-7301 has DEMIL Code Q. 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.