The Insulator,washer, cataloged under National Stock Number 5970-01-115-1585, 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 Rosemount Aerospace Inc Dba Rosemount Aerospace 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-115-1585 |
| Primary Part Number | 90057-0050 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Diameter | 0.213 INCHES NOMINAL IN |
| Material | OVERALL PLASTIC,EPOXY,GLASS,LAMINATED,06264,ROSEMOUNT ENGINEERING CO |
| 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 |
|---|---|
| 90057-0050 PRIMARY | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 90057-0050 | 5/9 Secondary reference Rosemount Inc Dba Fisher Rosemount Service and Support |
NSN 5970-01-115-1585 is a Insulator,washer, manufactured by Rosemount Aerospace Inc Dba Rosemount Aerospace Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-115-1585 has 1 manufacturer part number on file: 90057-0050 (Rosemount Aerospace Inc Dba Rosemount Aerospace Inc).
Key specifications for 90057-0050: Overall Height: 0.0156 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.500 INCHES NOMINAL IN; Inside Diameter: 0.213 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.