The Ring,electrical Contact, cataloged under National Stock Number 5977-00-503-7891, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Company. Government technical data includes 8 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 | 5977-00-503-7891 |
| Primary Part Number | 167B204-1 |
| Item Name | Ring,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| FSC Application Data | RADAR SEARCH EQUIP,RADAR SET EXC AIRBORNE |
| Overall Diameter | 10.750 INCHES MINIMUM AND 10.770 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Shape | CYLINDRICAL |
| Surface Treatment | SILVER |
| Mounting Configuration | 1,10.495 TO 10.5 IN. MTG HOLE CENTRALLY LOCATED IN |
| Precious Material and Location | RING SILVER AND SURFACE SILVER |
| Material | SILVER AND TIN ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 167B204-1 PRIMARY | General Electric Company (USA) |
NSN 5977-00-503-7891 is a Ring,electrical Contact, manufactured by General Electric Company, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-503-7891 has 1 manufacturer part number on file: 167B204-1 (General Electric Company).
Key specifications for 167B204-1: FSC Application Data: RADAR SEARCH EQUIP,RADAR SET EXC AIRBORNE; Overall Diameter: 10.750 INCHES MINIMUM AND 10.770 INCHES MAXIMUM IN; Precious Material: SILVER; Shape: CYLINDRICAL. 8 specifications are 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 5977-00-503-7891 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.