The Ring,electrical Contact, cataloged under National Stock Number 5977-01-245-1898, 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 Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-245-1898 |
| Primary Part Number | 5543324 |
| Item Name | Ring,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Shape | CYLINDRICAL |
| Mounting Configuration | NINE MTG HOLES 0.189 IN. DIA ON 4.562 IN. DIA IN |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
NSN 5977-01-245-1898 is a Ring,electrical Contact, manufactured by Naval Sea Systems Command, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-245-1898 has 2 manufacturer part numbers on file: 5543324 (Naval Sea Systems Command), 5543324 (Raytheon Company).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-464-0715. Verify interchangeability with system specifications before substitution.
Key specifications for 5543324: Overall Diameter: 5.000 INCHES NOMINAL IN; Shape: CYLINDRICAL; Overall Length: 4.174 INCHES MINIMUM AND 4.206 INCHES MAXIMUM IN; Special Features: SURFACE TREATMENT: ANODIZE. 4 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.