The Ring,electrical Contact, cataloged under National Stock Number 5977-00-644-5464, 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 The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-644-5464 |
| Primary Part Number | S2670 |
| Item Name | Ring,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Surface Treatment | SILVER |
| Mounting Configuration | USED IN CONJUNCTION W/BRUSH CONTACT AS PART OF MOTOR CIRCUIT |
| 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 |
|---|---|
| S2670 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| S2670 | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| PR3404-1PC196 | 5/9 Secondary reference The Electric Tachometer Corp. |
| S3821 | 5/9 Secondary reference The Electric Tachometer Corp. |
| S2670 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 5977-00-644-5464 is a Ring,electrical Contact, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-644-5464 has 2 manufacturer part numbers on file: S2670 (The Dewey Electronics Corporation Div Pitometer Log Division), S2670 (Dynalec Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-655-1513. Verify interchangeability with system specifications before substitution.
Key specifications for S2670: Special Features: O/A 0.188 IN. LG, 0.625 IN OD 0.19 IN. THK;P/O PITOMETER LOG CORP SHIP DATA INDICATOR SPEED CONVERTER DWG 147-2-62 IN; Surface Treatment: SILVER; Mounting Configuration: USED IN CONJUNCTION W/BRUSH CONTACT AS PART OF MOTOR CIRCUIT; Material: SILVER. 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.