The Lead,test, cataloged under National Stock Number 6625-00-643-3890, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-643-3890 |
| Item Name | Lead,test |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Round Conductor Size | 20 AWG SINGLE CONDUCTOR |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Strand Awg Size Per Conductor | 32 SINGLE CONDUCTOR |
| Cross-Sectional Shape Style | ROUND |
| Conductor Form | STRANDED SINGLE CONDUCTOR |
| Strand Quantity Per Conductor | 19 SINGLE CONDUCTOR |
| Color | WHITE FIRST POSITION COVER SINGLE CONDUCTOR |
| Cross Section Outside Diameter | 0.375 INCHES NOMINAL IN |
| Material | PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) FIRST POSITION JACKET SINGLE CONDUCTOR |
| Material | COPPER CORE CONDUCTOR ALL CONDUCTORS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| G220903-2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| G220903-2ISSUE3PT2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 91ISRLIBC101 | 3/9 Design control — primary reference Alden Products Company Inc |
NSN 6625-00-643-3890 is a Lead,test, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
Key specifications for 6625-00-643-3890: Round Conductor Size: 20 AWG SINGLE CONDUCTOR; FSC Application Data: TEST SET,ELECT. EQUIP.; Strand Awg Size Per Conductor: 32 SINGLE CONDUCTOR; Cross-Sectional Shape Style: ROUND. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.