The Insulator,plate, cataloged under National Stock Number 5970-01-078-5087, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-078-5087 |
| Primary Part Number | 578R649H02 |
| Item Name | Insulator,plate |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| First End Radius | 0.200 INCHES NOMINAL IN |
| First Hole Diameter | 0.161 INCHES NOMINAL IN |
| Third Hole Spacing | 1.187 INCHES NOMINAL IN |
| Style Designator | FLAT, DIAMOND |
| First Hole Spacing | 0.196 INCHES NOMINAL IN |
| Material | MICA OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 578R649H02 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 578R649H02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5970-01-078-5087 is a Insulator,plate, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-078-5087 has 1 manufacturer part number on file: 578R649H02 (Northrop Grumman Support Services Corp).
Key specifications for 578R649H02: Overall Height: 0.003 INCHES NOMINAL IN; First End Radius: 0.200 INCHES NOMINAL IN; First Hole Diameter: 0.161 INCHES NOMINAL IN; Third Hole Spacing: 1.187 INCHES NOMINAL IN. 6 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.