The Insulator,disk, cataloged under National Stock Number 5970-01-159-3655, 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 American Beryllia Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-159-3655 |
| Primary Part Number | CF3122-1 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | American Beryllia Inc |
| Status | ACTIVE |
| Style Designator | FLAT, ROUND |
| Outside Diameter | 0.247 INCHES NOMINAL IN |
| Material | BERYLLIUM OXIDE 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 |
|---|---|
| CF3122-1 PRIMARY | American Beryllia Inc (USA) |
| Reference | Meaning |
|---|---|
| CF3122-1 | 5/9 Secondary reference General Ceramics Inc National Beryllia Div |
| D250-30 | 5/9 Secondary reference Thermalloy Co Inc |
| A511A115-102 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5970-01-159-3655 is a Insulator,disk, manufactured by American Beryllia Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-159-3655 has 1 manufacturer part number on file: CF3122-1 (American Beryllia Inc).
Key specifications for CF3122-1: Overall Height: 0.031 INCHES NOMINAL IN; Style Designator: FLAT, ROUND; Outside Diameter: 0.247 INCHES NOMINAL IN; Material: BERYLLIUM OXIDE OVERALL. 3 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.