The Signal Interface Unit, cataloged under National Stock Number 5826-01-130-7874, is classified within Federal Supply Class 5826 (Radio Navigation Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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 | 5826-01-130-7874 |
| Primary Part Number | 622-5657-001 |
| Item Name | Signal Interface Unit |
| FSC / FSG | 5826 / 58 — Radio Navigation Equipment, Airborne |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| General Characteristics Item Description | PROVIDES ANTENNA SWITCHING IN DF/ADF MODES,ACCEPTS 15HZ ANALOG BEARING DATA FROM THE TACAN AND CONVERTS IT TO A SIN/COS MAGNETIC BEARING OUTPUT,SWITCHES THE INPUTS OF THE FLIGHT DIRECTOR COMPUTER BETWEEN THE PILOT AND COPILOT AVIONICS,SIGNALS FAILURES AND/OR UNSAFE CONDITIONS BY GENERATING AURAL WARNING TONES FOR THE INTERCOM SYSTEM,ACCEPTS CLOCK AND SENSOR DATA INPUTS AND SENDS THEM OVER A SERIAL DATA BUS TO THE MISSION COMPUTER UNIT,14.39 IN.D;4.88 IN.W;7.75 IN.H;PRIMARY POWER 28VDC,8 LBS MOUNTED ON THE 390R-20C MOUNT VDC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 622-5657-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5826-01-130-7874 is a Signal Interface Unit, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5826, Radio Navigation Equipment, Airborne. Status: active.
NSN 5826-01-130-7874 has 1 manufacturer part number on file: 622-5657-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 622-5657-001: General Characteristics Item Description: PROVIDES ANTENNA SWITCHING IN DF/ADF MODES,ACCEPTS 15HZ ANALOG BEARING DATA FROM THE TACAN AND CONVERTS IT TO A SIN/COS MAGNETIC BEARING OUTPUT,SWITCHES THE INPUTS OF THE FLIGHT DIRECTOR COMPUTER BETWEEN THE PILOT AND COPILOT AVIONICS,SIGNALS FAILURES AND/OR UNSAFE CONDITIONS BY GENERATING AURAL WARNING TONES FOR THE INTERCOM SYSTEM,ACCEPTS CLOCK AND SENSOR DATA INPUTS AND SENDS THEM OVER A SERIAL DATA BUS TO THE MISSION COMPUTER UNIT,14.39 IN.D;4.88 IN.W;7.75 IN.H;PRIMARY POWER 28VDC,8 LBS MOUNTED ON THE 390R-20C MOUNT VDC. 1 specification is 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.
NSN 5826-01-130-7874 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.