The Resistor,thermal, cataloged under National Stock Number 5905-00-945-4259, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Measurement Specialties, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-945-4259 |
| Primary Part Number | TX1578 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Measurement Specialties, Inc. |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Terminal Diameter | 0.120 INCHES NOMINAL IN |
| Terminal Length | 2.000 INCHES MINIMUM IN |
| Body Outside Diameter | 0.100 INCHES MAXIMUM IN |
| Reference Temp in Deg Celsius | 25.0 |
| Style Designator | BEAD |
| Power Dissipation Constant in Milliwatts Per Deg Celsius | 0.8 |
| Zero Power Resistance | 100.000 KILOHMS |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -15.0 TO 15.0 |
| Maximum Operating Temp | 90.0 CELSIUS DEGC |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 2 WIRE LEAD |
| 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 |
|---|---|
| TX1578 | Measurement Specialties, Inc. (USA) |
| Reference | Meaning |
|---|---|
| T/M-1 | C/1 Advisory reference — outside the item-of-supply concept Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| TX1578 | 5/9 Secondary reference U.S. Government activity |
| IM-1 | C/1 Advisory reference — outside the item-of-supply concept Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| TM1 | 3/9 Design control — primary reference Oak Crystal Inc |
NSN 5905-00-945-4259 is a Resistor,thermal, manufactured by Measurement Specialties, Inc., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-945-4259 has 1 manufacturer part number on file: TX1578 (Measurement Specialties, Inc.).
6 possible matches (shared part number, not a government interchangeability claim): 4610-00-962-3507, 3655-00-978-7101, 5940-01-169-8399. Verify interchangeability with system specifications before substitution.
Key specifications for TX1578: Inclosure Type: HERMETICALLY SEALED; Terminal Diameter: 0.120 INCHES NOMINAL IN; Terminal Length: 2.000 INCHES MINIMUM IN; Body Outside Diameter: 0.100 INCHES MAXIMUM IN. 12 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.