The Insulator,disk, cataloged under National Stock Number 5970-01-157-4287, 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 Smith and Smith Aircraft Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Insulator,disk |
| FSC / FSG | 5970 — Electrical Insulators and Insulating Materials (FSG 59) |
| Manufacturers | Smith and Smith Aircraft Co (CAGE 28298) |
| Parameter | Value |
|---|---|
| NSN | 5970-01-157-4287 |
| Primary Part Number | 1103511 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Smith and Smith Aircraft Co |
| 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 |
|---|---|
| 1103511 PRIMARY | Smith and Smith Aircraft Co (USA) |
NSN 5970-01-157-4287 is a Insulator,disk, manufactured by Smith and Smith Aircraft Co, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-157-4287 has 1 manufacturer part number on file: 1103511 (Smith and Smith Aircraft Co).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-338-9408, 5340-01-357-8638. 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.