The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-01-554-0709, 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 L3harris Technologies, Inc Div Space & Airborne Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Pegasus Savunma Sanayi Ve Ticaret Anonim Sirketi (CAGE T6976); L3harris Technologies, Inc Div Space & Airborne Systems (CAGE 24930) |
| Parameter | Value |
|---|---|
| NSN | 5977-01-554-0709 |
| Primary Part Number | 257133-1 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| 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 |
|---|---|
| 257133-1 | Pegasus Savunma Sanayi Ve Ticaret Anonim Sirketi (TUR) |
| 257133-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 1001681-001 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5977-01-554-0709 is a Ring Assembly,electrical Contact, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-554-0709 has 2 manufacturer part numbers on file: 257133-1 (Pegasus Savunma Sanayi Ve Ticaret Anonim Sirketi), 257133-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
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.