The Insulator,bushing, cataloged under National Stock Number 5970-01-260-3559, 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 Corporation Div Rotary and Mission Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-260-3559 |
| Primary Part Number | 6017570 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Shank Height | 0.031 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-P-17091-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.437 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.255 INCHES NOMINAL IN |
| Inside Diameter | 0.196 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| 6017570 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 6017570 | 3/9 Design control — primary reference W. Kintz Plastics, Inc. Dba K P I Plastics |
NSN 5970-01-260-3559 is a Insulator,bushing, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-260-3559 has 1 manufacturer part number on file: 6017570 (Lockheed Martin Corporation Div Rotary and Mission Systems).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-729-7325. Verify interchangeability with system specifications before substitution.
Key specifications for 6017570: Overall Height: 0.062 INCHES NOMINAL IN; Shank Height: 0.031 INCHES NOMINAL IN; Style Designator: SHOULDER; Material Document and Classification: MIL-P-17091-CANCELED 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.