The Insulator,bushing, cataloged under National Stock Number 5970-00-890-3152, 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 Smith and Smith Aircraft Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-00-890-3152 |
| Primary Part Number | 300-333020-3 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| Countersink Angle in Deg | 90.0 |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-P-79, TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.585 INCHES NOMINAL IN |
| Countersink Major Diameter | 0.530 INCHES NOMINAL IN |
| Inside Diameter | 0.450 INCHES NOMINAL IN |
| Material | COTTON AND PLASTIC PHENOLIC 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 |
|---|---|
| 300-333020-3 PRIMARY | Smith and Smith Aircraft Co (USA) |
| Reference | Meaning |
|---|---|
| 300-333020-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5970-00-890-3152 is a Insulator,bushing, manufactured by Smith and Smith Aircraft Co, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-890-3152 has 1 manufacturer part number on file: 300-333020-3 (Smith and Smith Aircraft Co).
Key specifications for 300-333020-3: Overall Height: 1.312 INCHES NOMINAL IN; Countersink Angle in Deg: 90.0; Style Designator: CYLINDRICAL; Material Document and Classification: MIL-P-79, TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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.