The Insulator,bushing, cataloged under National Stock Number 5970-01-217-8526, 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 Lockheed Martin Services, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-217-8526 |
| Primary Part Number | 7939886-1 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Lockheed Martin Services, Llc |
| Status | ACTIVE |
| Center Hole Width | 0.531 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN |
| Width Across Flats | 0.815 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN |
| Identification Code Color | NATURAL |
| Shank Height | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.865 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE 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 |
|---|---|
| 7939886-1 PRIMARY | Lockheed Martin Services, Llc (USA) |
| Reference | Meaning |
|---|---|
| 7939886 | D/9 Drawing number reference only Lockheed Martin Services, Llc |
NSN 5970-01-217-8526 is a Insulator,bushing, manufactured by Lockheed Martin Services, Llc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-217-8526 has 1 manufacturer part number on file: 7939886-1 (Lockheed Martin Services, Llc).
Key specifications for 7939886-1: Center Hole Width: 0.531 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN; Overall Height: 0.130 INCHES NOMINAL IN; Width Across Flats: 0.815 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN; Identification Code Color: NATURAL. 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.