The Lead,electrical, cataloged under National Stock Number 6150-01-258-6293, is classified within Federal Supply Class 6150 (Miscellaneous Electric Power and Distribution Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Circuit Systems Co Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6150-01-258-6293 |
| Primary Part Number | BACJ40A21-9 |
| Item Name | Lead,electrical |
| FSC / FSG | 6150 / 61 — Miscellaneous Electric Power and Distribution Equipment |
| Manufacturer | Circuit Systems Co Inc |
| Status | ACTIVE |
| Termination Type | TERMINAL LUG BOTH ENDS SINGLE CONDUCTOR |
| Lead Overall Length | 9.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Conductor Form | STRANDED LOCATION NOT OTHERWISE SPECIFIED |
| Material | COPPER CORE CONDUCTOR SINGLE CONDUCTOR |
| 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 |
|---|---|
| BACJ40A21-9 | Circuit Systems Co Inc (USA) |
| Reference | Meaning |
|---|---|
| TJEJ40-21-9 | 5/9 Secondary reference T J Electronics Div of Transtechnology Corp |
| JANC0740A-21-9 | 3/2 Design control — primary reference U.S. Government activity |
| AMP30500 | 5/9 Secondary reference Te Connectivity Corporation |
| BACJ40A21-9 | 5/2 Secondary reference U.S. Government activity |
NSN 6150-01-258-6293 is a Lead,electrical, manufactured by Circuit Systems Co Inc, classified under FSC 6150, Miscellaneous Electric Power and Distribution Equipment. Status: active.
NSN 6150-01-258-6293 has 1 manufacturer part number on file: BACJ40A21-9 (Circuit Systems Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-687-8215. Verify interchangeability with system specifications before substitution.
Key specifications for BACJ40A21-9: Termination Type: TERMINAL LUG BOTH ENDS SINGLE CONDUCTOR; Lead Overall Length: 9.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND; Conductor Form: STRANDED LOCATION NOT OTHERWISE SPECIFIED. 5 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.