The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-01-432-9249, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5977-01-432-9249 |
| Primary Part Number | 70550-02804-103 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 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 |
|---|---|
| 70550-02804-103 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70550-02804 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| AW6018-103 | 3/2 Design control — primary reference U.S. Government activity |
| 5977PL2023584 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5977PL1978659 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5977-01-432-9249 is a Ring Assembly,electrical Contact, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-432-9249 has 2 manufacturer part numbers on file: 70550-02804-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70550-02804 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70550-02804-103: End Item Identification: UH-60 HELICOPTER. 0 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.