The Resistor,current Regulating, cataloged under National Stock Number 5905-00-644-0381, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-644-0381 |
| Item Name | Resistor,current Regulating |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Resistive Element Pin Connection | 2 AND 7 |
| Base Type | OCTAL |
| Current Type | AC/DC |
| Envelope Type Per Mil-E-1 | T-9/3-8/ PER SPEC MIL-E-1B |
| Nondefinitive Spec/std Data | NO. 2A21 TYPE |
| Current Range in Amps | +0.98 TO 1.01 |
| Threshold Voltage in Volts | 6.5 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2A21 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 2A21 | 5/1 Secondary reference Amperite Co Inc |
| 2A21 | 5/1 Secondary reference Lucent Technologies Inc Corporate Headquarters |
| RELEASE688 | 5/9 Secondary reference U.S. Government activity |
| 2A21 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5905-00-644-0381 is a Resistor,current Regulating, classified under FSC 5905, Resistor. Status: active.
Key specifications for 5905-00-644-0381: Resistive Element Pin Connection: 2 AND 7; Base Type: OCTAL; Current Type: AC/DC; Envelope Type Per Mil-E-1: T-9/3-8/ PER SPEC MIL-E-1B. 7 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.