The Resistor,fixed,film, cataloged under National Stock Number 5905-00-581-1031, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thales Nederland. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-581-1031 |
| Primary Part Number | VBE646B21E5-1 |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Thales Nederland |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Body Diameter | 0.250 INCHES NOMINAL IN |
| Electrical Resistance | 21.500 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.500 FREE AIR |
| Body Length | 0.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| VBE646B21E5-1 | Thales Nederland (NLD) |
| RN70B21R5F | Welwyn Components Ltd (GBR) |
| Reference | Meaning |
|---|---|
| MILR10509 | 5/9 Secondary reference U.S. Government activity |
| MIL-R-10509/3 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-10509/3 | 4/1 Identification reference U.S. Government activity |
| RN70B21R5F | 2/2 Government specification standardization U.S. Government activity |
NSN 5905-00-581-1031 is a Resistor,fixed,film, manufactured by Thales Nederland, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-581-1031 has 2 manufacturer part numbers on file: VBE646B21E5-1 (Thales Nederland), RN70B21R5F (Welwyn Components Ltd).
Key specifications for VBE646B21E5-1: Resistance Tolerance in Percent: -1.000 TO 1.000; Body Diameter: 0.250 INCHES NOMINAL IN; Electrical Resistance: 21.500 OHMS; Inclosure Type: ENCAPSULATED. 8 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.