The Insulator,plate, cataloged under National Stock Number 5970-01-686-7643, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Insulator,plate |
| FSC / FSG | 5970 — Electrical Insulators and Insulating Materials (FSG 59) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5970-01-686-7643 |
| Primary Part Number | 8440237-1 |
| Item Name | Insulator,plate |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 8440237-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8440237 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5970-01-686-7643 is a Insulator,plate, manufactured by Naval Sea Systems Command, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-686-7643 has 1 manufacturer part number on file: 8440237-1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-686-7648. Verify interchangeability with system specifications before substitution.
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.