The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-552-4511, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-552-4511 |
| Primary Part Number | 197036PC1 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| Diameter | 4.063 INCHES NOMINAL IN |
| Surface Treatment | SILVER RING |
| Mounting Configuration | FOUR 0.128 IN. DIA MTG HOLES,0.203 IN. DIA COUNTER BORE 0.063 IN. DEEP AND COUNTERSUNK FOR NO. 4 PARKER HEAD SELFTAPPING SCREW,EQUALLY SPACED ON 1.750 IN. RADIUS IN |
| Width | 0.218 INCHES NOMINAL IN |
| Contact Ring Quantity | 3 |
| 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 |
|---|---|
| 197036PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 26082-1 | 5/9 Secondary reference U.S. Government activity |
| 490 | 5/9 Secondary reference Midwest Moulding and Mfg |
NSN 5977-00-552-4511 is a Ring Assembly,electrical Contact, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-552-4511 has 1 manufacturer part number on file: 197036PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 197036PC1: Overall Height: 1.281 INCHES NOMINAL IN; Overall Diameter: 4.250 INCHES NOMINAL IN; Diameter: 4.063 INCHES NOMINAL IN; Surface Treatment: SILVER RING. 6 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.