The Insulator,washer, cataloged under National Stock Number 5970-01-159-5220, 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 Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-159-5220 |
| Primary Part Number | 60-11-4659-1664 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Inside Diameter | 0.195 INCHES NOMINAL IN |
| Material | OVERALL CHO-THERM SILICONE COMPOSITE ELASTOMERS |
| 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 |
|---|---|
| 60-11-4659-1664 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
NSN 5970-01-159-5220 is a Insulator,washer, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-159-5220 has 1 manufacturer part number on file: 60-11-4659-1664 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 60-11-4659-1664: Style Designator: ROUND, FLAT; Outside Diameter: 0.625 INCHES NOMINAL IN; Inside Diameter: 0.195 INCHES NOMINAL IN; Material: OVERALL CHO-THERM SILICONE COMPOSITE ELASTOMERS. 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.