The Insulator,disk, cataloged under National Stock Number 5970-01-141-5834, 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 Corp Electronics and Missiles Div. Government technical data includes 4 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 | 5970-01-141-5834 |
| Primary Part Number | 143746 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| First Hole Diameter | 0.024 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Style Designator | DRILLED, FLAT |
| Outside Diameter | 0.312 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| 143746 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5970-01-141-5834 is a Insulator,disk, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-141-5834 has 1 manufacturer part number on file: 143746 (Lockheed Martin Corp Electronics and Missiles Div).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-151-3236. Verify interchangeability with system specifications before substitution.
Key specifications for 143746: Overall Height: 0.062 INCHES NOMINAL IN; First Hole Diameter: 0.024 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN; Style Designator: DRILLED, FLAT; Outside Diameter: 0.312 INCHES NOMINAL IN. 4 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.