The Insulator,washer, cataloged under National Stock Number 5970-01-275-9669, 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 Aero-Plastics, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-275-9669 |
| Primary Part Number | 4M116-03020 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Aero-Plastics, Inc. |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.719 INCHES NOMINAL IN |
| Inside Diameter | 0.266 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| 4M116-03020 PRIMARY | Aero-Plastics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4M116-03020 | 5/9 Secondary reference Plastifab Incorporated |
NSN 5970-01-275-9669 is a Insulator,washer, manufactured by Aero-Plastics, Inc., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-275-9669 has 1 manufacturer part number on file: 4M116-03020 (Aero-Plastics, Inc.).
Key specifications for 4M116-03020: Overall Height: 0.020 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.719 INCHES NOMINAL IN; Inside Diameter: 0.266 INCHES NOMINAL IN. 4 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.