The Post Idler,autopositioner,no.3, cataloged under National Stock Number 5820-00-320-7979, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-00-320-7979 |
| Primary Part Number | 504-7477-002 |
| Item Name | Post Idler,autopositioner,no.3 |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL TYPE 303 AN/S-771 COMP FM; PASSIVATE PER 580 002500; 0.059 IN. LG; 0.376 IN. DIA OD; 0.312 IN DIA ID ONE END; 0.188 IN. DIA GROVED CORNERS OTHER END; 0.188 AND 0.376 IN. DIAMETERS MUST BE CONCENTRIC TO WITHIN 0.002 T.I.R IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 504-7477-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| A504-7477-002 | Autodyne Manufacturing Co Inc (USA) |
NSN 5820-00-320-7979 is a Post Idler,autopositioner,no.3, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-00-320-7979 has 2 manufacturer part numbers on file: 504-7477-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), A504-7477-002 (Autodyne Manufacturing Co Inc).
Key specifications for 504-7477-002: General Characteristics Item Description: STAINLESS STEEL TYPE 303 AN/S-771 COMP FM; PASSIVATE PER 580 002500; 0.059 IN. LG; 0.376 IN. DIA OD; 0.312 IN DIA ID ONE END; 0.188 IN. DIA GROVED CORNERS OTHER END; 0.188 AND 0.376 IN. DIAMETERS MUST BE CONCENTRIC TO WITHIN 0.002 T.I.R IN; End Item Identification: AN/GRC-27,CONTROL UNIT,RADIO SET. 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 5820-00-320-7979 has DEMIL Code B. 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.