The Insulator,plate, cataloged under National Stock Number 5970-01-139-4753, 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 Woodward, Inc.. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-139-4753 |
| Primary Part Number | 1686-983 |
| Item Name | Insulator,plate |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| First End Radius | 0.228 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fifth Hole Spacing | 0.215 INCHES NOMINAL IN |
| First Hole Diameter | 0.154 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Third Hole Spacing | 1.187 INCHES NOMINAL IN |
| Style Designator | FLAT, DIAMOND |
| First Side Radius | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Second Hole Spacing | 0.665 INCHES NOMINAL IN |
| Second Hole Diameter | 0.050 INCHES NOMINAL IN |
| Fourth Hole Spacing | 0.430 INCHES NOMINAL IN |
| First Hole Spacing | 0.228 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Material | MICA 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 |
|---|---|
| 1686-983 PRIMARY | Woodward, Inc. (USA) |
NSN 5970-01-139-4753 is a Insulator,plate, manufactured by Woodward, Inc., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-139-4753 has 1 manufacturer part number on file: 1686-983 (Woodward, Inc.).
Key specifications for 1686-983: Overall Height: 0.002 INCHES MINIMUM AND 0.004 INCHES MAXIMUM IN; First End Radius: 0.228 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Fifth Hole Spacing: 0.215 INCHES NOMINAL IN; First Hole Diameter: 0.154 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN. 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.