The Cable,special Purpose,electrical, cataloged under National Stock Number 6145-01-344-9709, is classified within Federal Supply Class 6145 (Wire and Cable, Electrical) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: FT.
| Parameter | Value |
|---|---|
| NSN | 6145-01-344-9709 |
| Primary Part Number | 66121DD4ST |
| Item Name | Cable,special Purpose,electrical |
| FSC / FSG | 6145 / 61 — Wire and Cable, Electrical |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Round Conductor Size | 20 AWG ALL CONDUCTORS |
| Temp Rating | -65.0 CELSIUS AND 200.0 CELSIUS DEGC |
| Voltage Rating | 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS |
| Surface Treatment Document and Classification | ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS |
| Cross-Sectional Height | 0.116 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.058 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Conductor Quantity | 2 |
| Strand Awg Size Per Conductor | 32 ALL CONDUCTORS |
| Material Document and Classification | ASTM B298 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS |
| Cross-Sectional Shape Style | TWIST |
| Conductor Form | STRANDED ALL CONDUCTORS |
| Departure From Cited Document | AS MODIFIED BY STRAND QUANTITY PER CONDUCTOR AND STRAND AWG SIZE PER CONDUCTOR |
| Strand Quantity Per Conductor | 19 ALL CONDUCTORS |
| Conductor Arrangement and Quantity | 2 TWISTED TOGETHER W/NO OUTER COVERING |
| Color | WHITE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS |
| Surface Treatment | SILVER CORE CONDUCTOR ALL CONDUCTORS |
| Precious Material and Location | SURFACE ALL CONDUCTORS SILVER |
| Material | COPPER CORE CONDUCTOR ALL CONDUCTORS |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | FT |
| Acquisition advice code | JN |
| Part Number | Manufacturer |
|---|---|
| 66121DD4ST | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| MIL-C-55021/2 | 5/9 Secondary reference U.S. Government activity |
| EC20U9-9U | 4/1 Identification reference U.S. Government activity |
| MIL-DTL-55021/2 | 4/1 Identification reference U.S. Government activity |
| 66121DD20ANN9-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6145-01-344-9709 is a Cable,special Purpose,electrical, manufactured by Westinghouse Electric Corp, classified under FSC 6145, Wire and Cable, Electrical. Status: active.
NSN 6145-01-344-9709 has 1 manufacturer part number on file: 66121DD4ST (Westinghouse Electric Corp).
Key specifications for 66121DD4ST: Round Conductor Size: 20 AWG ALL CONDUCTORS; Temp Rating: -65.0 CELSIUS AND 200.0 CELSIUS DEGC; Voltage Rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS; Surface Treatment Document and Classification: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS. 20 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.