The Insulator,washer, cataloged under National Stock Number 5970-00-474-5533, 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 The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-474-5533 |
| Primary Part Number | 4M116-03012 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.562 INCHES NOMINAL IN |
| Inside Diameter | 0.328 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 |
|---|---|
| 4M116-03012 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 4M116-03012 | 5/9 Secondary reference Jetron Inc |
| 4M116-03012 | C/1 Advisory reference — outside the item-of-supply concept Aero-Plastics, Inc. |
| 4M116-03012 | C/1 Advisory reference — outside the item-of-supply concept Young J H Co |
| 4M116R | D/9 Drawing number reference only The Boeing Company Div Defense |
| 10179446 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5970-00-474-5533 is a Insulator,washer, manufactured by The Boeing Company Div Defense, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-474-5533 has 1 manufacturer part number on file: 4M116-03012 (The Boeing Company Div Defense).
Key specifications for 4M116-03012: Overall Height: 0.016 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.562 INCHES NOMINAL IN; Inside Diameter: 0.328 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.