The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-01-648-1754, 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 Lockheed Martin Corporation Div Rms. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 — Electrical Contact Brushes and Electrodes (FSG 59) |
| Manufacturers | Lockheed Martin Corporation Div Rms (CAGE 03538) |
| Parameter | Value |
|---|---|
| NSN | 5977-01-648-1754 |
| Primary Part Number | 77A583376P2 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| 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 |
|---|---|
| 77A583376P2 | Lockheed Martin Corporation Div Rms (USA) |
| 77A583376P1 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77A583376 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms |
| 1001869-001 | 3/2 Design control — primary reference U.S. Government activity |
| UQ6935-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-01-648-1754 is a Ring Assembly,electrical Contact, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-648-1754 has 2 manufacturer part numbers on file: 77A583376P2 (Lockheed Martin Corporation Div Rms), 77A583376P1 (Lockheed Martin Corporation Div Rms).
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.