The Insulator,bushing, cataloged under National Stock Number 5970-01-203-8846, 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 Unicorp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-203-8846 |
| Primary Part Number | W1-201ST |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Unicorp. |
| Status | ACTIVE |
| Shank Height | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-P-15035, TYPE FBI MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.313 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.187 INCHES NOMINAL IN |
| Inside Diameter | 0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN |
| Material | PLASTIC PHENOLIC AND COTTON 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 |
|---|---|
| W1-201ST PRIMARY | Unicorp. (USA) |
| Reference | Meaning |
|---|---|
| 13059017 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5970-01-203-8846 is a Insulator,bushing, manufactured by Unicorp., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-203-8846 has 1 manufacturer part number on file: W1-201ST (Unicorp.).
Key specifications for W1-201ST: Overall Height: 0.067 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Shank Height: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Style Designator: SHOULDER; Material Document and Classification: MIL-P-15035, TYPE FBI 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.