The Insulator,spacer, cataloged under National Stock Number 5970-01-481-7858, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-481-7858 |
| Item Name | Insulator,spacer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| First Slot Width | 1.475 INCHES NOMINAL IN |
| First Hole Diameter | 0.281 INCHES NOMINAL IN |
| Third Hole Spacing | 2.125 INCHES NOMINAL IN |
| First Slot Depth | 0.530 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR, STEPPED |
| Second Hole Spacing | 0.470 INCHES NOMINAL IN |
| Second Hole Diameter | 0.281 INCHES NOMINAL IN |
| First Leg Width | 0.990 INCHES NOMINAL IN |
| First Hole Spacing | 0.720 INCHES NOMINAL IN |
| Material | GLASS AND PLASTIC EPOXY OVERALL |
| 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 |
|---|---|
| 120937-1 | 3/2 Design control — primary reference U.S. Government activity |
| 120937 | D/9 Drawing number reference only U.S. Government activity |
NSN 5970-01-481-7858 is a Insulator,spacer, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5970-01-481-7861. Verify interchangeability with system specifications before substitution.
Key specifications for 5970-01-481-7858: Overall Height: 1.380 INCHES NOMINAL IN; First Slot Width: 1.475 INCHES NOMINAL IN; First Hole Diameter: 0.281 INCHES NOMINAL IN; Third Hole Spacing: 2.125 INCHES NOMINAL IN. 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.