The Ring,electrical Contact, cataloged under National Stock Number 5977-00-441-9018, 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 Airflo Instrument Company, the Dba Airflo Instrument Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-441-9018 |
| Primary Part Number | 8070-078 |
| Item Name | Ring,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Airflo Instrument Company, the Dba Airflo Instrument Co |
| Status | ACTIVE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Precious Material and Weight | 0.040 SILVER GRAMS |
| Shape | DISK |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Material | SILVER |
| 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 |
|---|---|
| 8070-078 | Airflo Instrument Company, the Dba Airflo Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| SMB279790 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-00-441-9018 is a Ring,electrical Contact, manufactured by Airflo Instrument Company, the Dba Airflo Instrument Co, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-441-9018 has 1 manufacturer part number on file: 8070-078 (Airflo Instrument Company, the Dba Airflo Instrument Co).
Key specifications for 8070-078: Overall Diameter: 1.000 INCHES NOMINAL IN; Precious Material: SILVER; Precious Material and Weight: 0.040 SILVER GRAMS; Shape: DISK. 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.