The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-557-2190, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-557-2190 |
| Primary Part Number | 479898PC2 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Overall Diameter | 3.875 INCHES NOMINAL IN |
| Diameter | 1.625 INCHES NOMINAL AND 2.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | SILVER RING |
| Mounting Configuration | THREE 4-40 IN. TAPPED MTG HOLES SPACED EQUALLY ON 0.406 IN. RADIUS IN |
| Width | 0.250 INCHES NOMINAL IN |
| Contact Ring Quantity | 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| T9014426-2 | General Electric Company (USA) |
| T9014429 | General Electric Company (USA) |
| 479898PC2 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5977-00-557-2190 is a Ring Assembly,electrical Contact, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-557-2190 has 3 manufacturer part numbers on file: T9014426-2 (General Electric Company), T9014429 (General Electric Company), 479898PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 479898PC2: Overall Height: 0.891 INCHES NOMINAL IN; Overall Diameter: 3.875 INCHES NOMINAL IN; Diameter: 1.625 INCHES NOMINAL AND 2.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Surface Treatment: SILVER RING. 6 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.
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.