The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-01-144-6454, 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 Contraves Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-144-6454 |
| Primary Part Number | 8031-53 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Contraves Inc |
| Status | ACTIVE |
| Overall Diameter | 2.437 INCHES MINIMUM AND 2.438 INCHES MAXIMUM IN |
| Mounting Configuration | TWO HOLES 0.1250 IN.DIA IN |
| Contact Ring Quantity | 195 |
| 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 |
|---|---|
| 8031-53 PRIMARY | Contraves Inc (USA) |
NSN 5977-01-144-6454 is a Ring Assembly,electrical Contact, manufactured by Contraves Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-144-6454 has 1 manufacturer part number on file: 8031-53 (Contraves Inc).
Key specifications for 8031-53: Overall Diameter: 2.437 INCHES MINIMUM AND 2.438 INCHES MAXIMUM IN; Overall Length: 13.250 INCHES NOMINAL IN; Mounting Configuration: TWO HOLES 0.1250 IN.DIA IN; End Item Identification: DIR & VERT GYRO AUTO TEST SY. 3 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.