The Insulator,disk, cataloged under National Stock Number 5970-01-060-8744, 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 Dukes Aerospace, Inc.. Government technical data includes 9 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 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 | 5970-01-060-8744 |
| Primary Part Number | 299-55 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Dukes Aerospace, Inc. |
| Status | ACTIVE |
| Width Across Flats | 1.186 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.593 INCHES NOMINAL IN |
| First Hole Diameter | 0.187 INCHES NOMINAL IN |
| Third Hole Diameter | 0.187 INCHES NOMINAL IN |
| Outside Diameter | 1.710 INCHES NOMINAL IN |
| Second Hole Spacing | 1.000 INCHES NOMINAL IN |
| Second Hole Diameter | 0.531 INCHES NOMINAL IN |
| First Hole Spacing | 0.500 INCHES NOMINAL IN |
| Material | FIBERGLASS AND PLASTIC EPOXY 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 |
|---|---|
| 299-55 PRIMARY | Dukes Aerospace, Inc. (USA) |
NSN 5970-01-060-8744 is a Insulator,disk, manufactured by Dukes Aerospace, Inc., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-060-8744 has 1 manufacturer part number on file: 299-55 (Dukes Aerospace, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-228-7838. Verify interchangeability with system specifications before substitution.
Key specifications for 299-55: Width Across Flats: 1.186 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.593 INCHES NOMINAL IN; First Hole Diameter: 0.187 INCHES NOMINAL IN; Third Hole Diameter: 0.187 INCHES NOMINAL IN. 9 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.