The Insulator,bushing, cataloged under National Stock Number 5970-01-071-9976, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-071-9976 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| First Step Diameter | 0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN |
| Identification Code Color | BLACK |
| Flange Thickness | 0.375 INCHES NOMINAL IN |
| Style Designator | STEPPED, ROUND |
| Material Document and Classification | PLASTIC,CELLULOSE ACETATE BUTYRATE,L-P-349,CLASS E,GRADE H2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.080 INCHES NOMINAL IN |
| Second Step Diameter | 0.690 INCHES NOMINAL IN |
| Inside Diameter | 0.389 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| First Step Height | 0.525 INCHES NOMINAL IN |
| Material | PLASTIC CELLULOSE ACETATE BUTYRATE OVERALL |
| Second Step Height | 0.900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SC-C-646958B | D/9 Drawing number reference only U.S. Government activity |
| SC-C-646958 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5970-01-071-9976 is a Insulator,bushing, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
Key specifications for 5970-01-071-9976: First Step Diameter: 0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN; Identification Code Color: BLACK; Flange Thickness: 0.375 INCHES NOMINAL IN; Style Designator: STEPPED, ROUND. 11 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.