The Ring,electrical Contact, cataloged under National Stock Number 5977-01-058-1641, 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 Helix, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-058-1641 |
| Primary Part Number | 11747137 |
| Item Name | Ring,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Helix, Inc. |
| Status | ACTIVE |
| Shape | DISK |
| Outside Diameter | 1.810 INCHES NOMINAL IN |
| Inside Diameter | 1.457 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 11747137 PRIMARY | Helix, Inc. (USA) |
| 11747137 | Bart Corporation (USA) |
| Reference | Meaning |
|---|---|
| 11747137 | D/9 Drawing number reference only Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5977-01-058-1641 is a Ring,electrical Contact, manufactured by Helix, Inc., classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-058-1641 has 2 manufacturer part numbers on file: 11747137 (Helix, Inc.), 11747137 (Bart Corporation).
Key specifications for 11747137: Shape: DISK; Outside Diameter: 1.810 INCHES NOMINAL IN; Inside Diameter: 1.457 INCHES NOMINAL IN; Special Features: INCLUDES 1 10 IN WIRE P/N10516229SOLDERED TO RING IN. 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.