The Insulator,spreader, cataloged under National Stock Number 5970-00-197-3580, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-197-3580 |
| Item Name | Insulator,spreader |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Wire Hole Diameter | 0.125 INCHES NOMINAL IN |
| Identification Code Color | BROWN |
| First Distance From Conductor Hole to Insulator End | 0.500 INCHES NOMINAL IN |
| First End Radius | 0.125 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Conductor Separation Distance | 5.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| MILI23264-23 | 4/1 Identification reference U.S. Government activity |
| NL522B76-040 | 2/2 Government specification standardization U.S. Government activity |
NSN 5970-00-197-3580 is a Insulator,spreader, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5970-00-197-3581, 5970-00-227-9056. Verify interchangeability with system specifications before substitution.
Key specifications for 5970-00-197-3580: Wire Hole Diameter: 0.125 INCHES NOMINAL IN; Identification Code Color: BROWN; First Distance From Conductor Hole to Insulator End: 0.500 INCHES NOMINAL IN; First End Radius: 0.125 INCHES NOMINAL IN. 7 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.